{"title":"T2 Thread Adapter","description":"\u003cp\u003eT2 Accessory Adapters\u003c\/p\u003e\n\u003c!----\u003e","products":[{"product_id":"artesky-prolunga-m42-t2-5mm","title":"M42 (T2) Extension Tube Artesky 5mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 5mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 5mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e5 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51260727296331,"sku":"AKM425","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/prolunga-t2-5mm-artesky.jpg?v=1756461152"},{"product_id":"artesky-adattatore-m48-femmina-m42-t2-maschio","title":"Artesky Adapter M48 Female M42 (T2) Male – M48\/T2 Converter","description":"\u003ch2\u003eArtesky Adapter M48 Female M42 (T2) Male – M48\/T2 Converter\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArtesky Adapter M48 female M42 male\u003c\/strong\u003e is a converter ring from \u003cstrong\u003eM48x0.75 female to M42x0.75 (T2) male\u003c\/strong\u003e, just 5mm thick with knurled edges for a secure grip. It allows connecting M48 threaded accessories (filters, filter holders, reducers) to instruments or accessories with T2 output.\u003c\/p\u003e\u003cp\u003eIdeal for adapting the optical train when moving from an M48 system to T2 components. Made from high-quality black anodized aluminum.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51260727492939,"sku":"AKM48FM42M","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/adattatore-m48-femmina-t2-maschio-artesky.jpg?v=1756461151"},{"product_id":"artesky-anello-t2-canon-eos-basso-profilo","title":"Artesky T2 Ring Canon EOS Low Profile – T2 Adapter for Canon DSLR","description":"\u003ch2\u003eArtesky T2 Ring Canon EOS Low Profile – T2 Adapter for Canon DSLR\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArtesky T2 Ring Canon EOS Low Profile\u003c\/strong\u003e connects Canon EOS DSLR cameras to telescopes and accessories with T2 threading (M42x0.75). Thanks to its ultra-thin 1mm thickness in high-quality anodized aluminum, it minimizes the introduced backfocus distance while maintaining full compatibility with the Canon EF mount.\u003c\/p\u003e\u003cp\u003eIdeal for astrophotography at the direct focus of the telescope. Compatible with all Canon EOS DSLRs with EF mount.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51261040230731,"sku":"AKT2-CANON-LOW","price":25.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/artesky_anello_t2_canon_basso_profilo_qualita_ultra_sottile_collegamento_t2_reflex.jpg?v=1744224818"},{"product_id":"celestron-t-adapter-raccordo-fotografico-edge-hd-800","title":"Celestron Photographic T-Adapter for EDGE HD 8\"","description":"Adapter for mounting reflex cameras to Edge HD 800 telescopes. Allows shooting of photos and videos at the direct focus of the telescope.\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThis Telescope T-Adapter Photo Fitting is used in conjunction with a T-Ring to connect an analog or digital SLR camera to a Celestron EdgeHD 800 telescope. This fitting is only compatible with the Celestron EdgeHD 800 telescope. This configuration is used for terrestrial and short exposure photography, for direct focus photography of the Sun and Moon and especially for long exposure deep sky photography when using an off-axis guider or separate guide scope.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCARATTERISTICHE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTipo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eadattatore per montare\u0026nbsp;fotocamere\u003cbr \/\u003eDSRL al fuoco diretto del telescopio\u003cbr \/\u003eEdge HD 800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMateriale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ealluminio anodizzato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdattabile a:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efilettatura telescopi Schmidt-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRichiesta backfocus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ecirca 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiametro\/passo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003elato telescopio:filettatura 2\u0026Prime; x SCT,\u003cbr \/\u003elato camera: filettatura T2 (M42x075)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNota\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003erichiede anello T2 (opzionale)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":51261041312075,"sku":"CSCE93644","price":48.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/celectron-t-adapter-edgehd800-adattatore-fotocamera-telescopio.jpg?v=1744224808"},{"product_id":"ts-optics-adattatore-m48-maschio-t2-femmina-zero-profilo-tst2-m48s","title":"TS-Optics Adaptor with female T2 thread and male M48 (2\" filter) thread - short","description":"\u003cp\u003e\u003cstrong\u003eThe adapter extends a male T2 thread to M48x0.75 (2\") filter thread without increasing the length.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFemale thread: T2 - M42x0.75\u003c\/li\u003e\n\u003cli\u003eMale thread: 2\" filter thread - M48x0.75\u003c\/li\u003e\n\u003cli\u003eLength: only 2.5 mm - the mechanical length is optically not effective, as the adapter is completely sunken in the connection adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cspan\u003eThe adapter fits to a male T2-thread and extends it to an M48x0.75 2\" filter thread. With this, you can use connection adapters with female M48x0.75 thread.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cspan\u003eAnother application is the reduction of a 2\" filter thread to T2. Screw the adapter into the female M48x0.75 thread and then a female T2 thread is at your disposal.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cspan\u003eThe adapter itself is only 2.5 mm short. As it disappears entirely in the M48x0.75 connection thread, the adapter has no effective optical path. At one side, the adpter has two slots which make loosening from the connection adapter easy.\u003c\/span\u003e\u003c\/p\u003e","brand":"TS-Optics","offers":[{"title":"Default Title","offer_id":51261139485003,"sku":"TSTST2-M48s","price":19.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/adattatore-TS-Optics-M48-maschio-T2-femmina-zero-profilo.jpg?v=1744224609"},{"product_id":"baader-zeiss-adattatore-camera-m44-t-2","title":"Baader ZEISS Camera adapter M44\/T-2","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch1\u003eBaader M44\/T-2 Camera Adapter for Zeiss Telescopes – 5 mm\u003c\/h1\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eBaader M44\/T-2 adapter\u003c\/strong\u003e provides a reliable and precise solution for connecting \u003cstrong\u003eT-2 accessories and cameras\u003c\/strong\u003e (M42x0.75 thread) to \u003cstrong\u003etelescopes with Zeiss M44 focuser thread\u003c\/strong\u003e. With an \u003cstrong\u003eoptical path length of only 5 mm\u003c\/strong\u003e, it integrates seamlessly into imaging setups where maintaining back focus is critical.\u003c\/p\u003e\n\n  \u003ch2\u003eKey Features\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eM44 male thread\u003c\/strong\u003e on the telescope side – compatible with Zeiss and Zeiss-compatible systems.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eT-2 male thread (M42x0.75)\u003c\/strong\u003e on the camera\/accessory side.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eShort optical length\u003c\/strong\u003e of just 5 mm – perfect for tight optical trains in astrophotography.\u003c\/li\u003e\n    \u003cli\u003eAllows direct connection of \u003cstrong\u003eT-rings, planetary cameras, or other T-2 accessories\u003c\/strong\u003e to M44 focusers.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCompatible with Astro T-2, Baader Planetarium, and Zeiss equipment\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003ctable\u003e\n    \u003ctr\u003e\u003cth\u003eAdapter Type\u003c\/th\u003e\u003ctd\u003eReducing piece M44 to T-2\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eTelescope Side Connection\u003c\/th\u003e\u003ctd\u003eMale thread M44\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eCamera\/Accessory Side Connection\u003c\/th\u003e\u003ctd\u003eMale thread T-2 (M42 x 0.75)\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eOptical Length\u003c\/th\u003e\u003ctd\u003e5 mm\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eClear Aperture\u003c\/th\u003e\u003ctd\u003e38 mm\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eOuter Diameter\u003c\/th\u003e\u003ctd\u003e52 mm\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003ctd\u003e0.02 kg\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\u003cth\u003eBaader T-2 Part Number\u003c\/th\u003e\u003ctd\u003e#13\u003c\/td\u003e\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cp\u003eThis adapter allows you to \u003cstrong\u003emodernize classic Zeiss focusers\u003c\/strong\u003e by enabling direct integration with today’s T-2-based imaging equipment. Solid, compact, and precise – an essential accessory for astrophotographers working with Zeiss optics.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Baader-Planetarium","offers":[{"title":"Default Title","offer_id":51261242081611,"sku":"BRBP1508005","price":51.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/baader-adattatore-camera-zeiss-m44-t2-filettatura-maschile.jpg?v=1744223307"},{"product_id":"artesky-adattatore-t2-maschio-m54-femmina","title":"Artesky Adapter T2 Male M54 Female – T2\/M54 Converter Ring","description":"\u003ch2\u003eArtesky Adapter T2 Male M54 Female – T2\/M54 Converter Ring\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArtesky Adapter T2 male M54 female\u003c\/strong\u003e is a converter ring from \u003cstrong\u003eM42x0.75 (T2) male to M54x0.75 female\u003c\/strong\u003e, just 2mm thick. It allows connecting T2 accessories to M54 optical train components, such as some filter holders, cameras and large-format reducers.\u003c\/p\u003e\u003cp\u003eMade from high-precision black anodized aluminum, ensuring stability and internal reflection-free performance in the optical path.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51261256171851,"sku":"AKM42MM54F","price":28.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/artesky-adattatore-t2-maschio-m54-femmina-conversione-anello.jpg?v=1744223148"},{"product_id":"artesky-anello-t2-per-nikon","title":"Artesky T2 Ring for Nikon – T2 Adapter for Nikon DSLR","description":"\u003ch2\u003eArtesky T2 Ring for Nikon – T2 Adapter for Nikon DSLR\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArtesky T2 Ring for Nikon\u003c\/strong\u003e connects Nikon DSLR cameras (F mount) to telescopes and accessories with T2 threading (M42x0.75). It enables photo and video capture at the direct focus of the telescope, using the full aperture of the instrument without eyepieces.\u003c\/p\u003e\u003cp\u003eCompatible with all Nikon DSLRs with F mount. Made from high-quality anodized aluminum for a secure, play-free connection.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51261264855371,"sku":"AKT2-NIKON","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/anello-t2-nikon-artesky-adattatore-fotocamera.jpg?v=1744223015"},{"product_id":"baader-prolunga-t2-7-5-mm","title":"Baader T2 Extension 7.5mm – T-2 Extension Tube","description":"\u003ch2\u003eBaader T2 Extension 7.5mm – T-2 Extension Tube\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBaader T2 Extension 7.5mm\u003c\/strong\u003e is a precision extension ring with \u003cstrong\u003eT-2 (M42x0.75) internal and external threading\u003c\/strong\u003e, designed for fine backfocus adjustment in astrophotography optical trains. At 7.5mm, it is particularly useful for intermediate corrections not covered by standard 5mm or 10mm rings.\u003c\/p\u003e\u003cp\u003eCompatible with all Baader T-2 accessories and any standard T2 threaded component. Made from high-quality mechanically precise aluminum.\u003c\/p\u003e","brand":"Baader-Planetarium","offers":[{"title":"Default Title","offer_id":51261290348875,"sku":"BRBP1508155","price":22.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/baader_prolunga_t2_7.5mm_filettatura_interna_esterna_t-2_adattatore.jpg?v=1744222306"},{"product_id":"baader-adattatore-m43-t2-hyperion-morpheus","title":"Baader M43\/T-2 Adapter for Hyperion and Morpheus Eyepieces","description":"\u003ch2\u003eBaader M43\/T-2 Adapter for Hyperion and Morpheus Eyepieces\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBaader M43\/T-2 Adapter\u003c\/strong\u003e enables direct connection between \u003cstrong\u003eBaader Hyperion\u003c\/strong\u003e and \u003cstrong\u003eBaader Morpheus\u003c\/strong\u003e eyepieces and T-2 (M42x0.75) accessories via the M43 threading on the front of these eyepieces. It allows using Hyperion and Morpheus eyepieces for eyepiece projection or attaching T-2 rings for projection photography with DSLR cameras.\u003c\/p\u003e\u003cp\u003eExclusively compatible with Baader Hyperion and Morpheus eyepieces featuring M43 front threading. Made from high-quality aluminum.\u003c\/p\u003e","brand":"Baader-Planetarium","offers":[{"title":"Default Title","offer_id":51261290447179,"sku":"BRBP2958080","price":19.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/adattatore-baader-m43-t2-hyperion-morpheus-collegamento-anelli-t.jpg?v=1744222302"},{"product_id":"artesky-adattatore-t2-canon-ef-portafiltri-2-pollici-cmos-asi-qhy","title":"Artesky T2 adapter with filter drawer for Canon EOS lenses","description":"\u003cdiv class=\"as-adapter-canon\"\u003e\n\n  \u003ch2\u003eCanon EF Adapter for Wide-Field Astrophotography with 2\" Filters\u003c\/h2\u003e\n  \u003cp\u003eThe Artesky Canon EF\/T2 adapter is specifically designed for astrophotographers who want to use Canon EF photographic lenses directly on cooled CMOS cameras from ZWO ASI and QHY, without giving up the use of 2\" (50.8 mm) interference filters in cell-mounted format. Ideal for mobile wide-field astrophotography, this adapter combines mechanical practicality and optical compatibility in a single compact solution.\u003c\/p\u003e\n\n  \u003ch2\u003eDual Magnetic Filter Drawer System — 50.8 mm (2\")\u003c\/h2\u003e\n  \u003cp\u003eThe core of this product is the dual 50.8 mm (2\") filter drawer system, enabling rapid insertion of light pollution filters, narrowband filters, and any other cell-mounted 2\" interference filter. The filter drawers feature a \u003cstrong\u003emagnetic locking mechanism\u003c\/strong\u003e that ensures secure attachment during imaging sessions with no risk of slipping, while remaining extremely easy to swap between filters. The dual-drawer configuration allows two filters to be pre-loaded and switched in seconds — a practical advantage during field sessions.\u003c\/p\u003e\n\n  \u003ch2\u003e1\/4\" Photo Thread for Star Trackers and Vixen Bar\u003c\/h2\u003e\n  \u003cp\u003eThe adapter integrates a \u003cstrong\u003efoot with standard 1\/4\" photo thread\u003c\/strong\u003e, compatible with any portable star tracker or Vixen bar equipped with a 1\/4\" screw. This feature makes the system immediately operational with most alt-azimuth and equatorial travel mounts, with no additional adapters required.\u003c\/p\u003e\n\n  \u003ch2\u003eLens and CMOS Camera Compatibility\u003c\/h2\u003e\n  \u003cp\u003eThe adapter accepts all \u003cstrong\u003eCanon EF lenses\u003c\/strong\u003e (identified by the red dot on the mount). Full compatibility with all \u003cstrong\u003eCanon EF-S lenses\u003c\/strong\u003e (white square) is not guaranteed. Via a Canon\/Nikon converter (not included), Nikon-mount lenses can also be used.\u003c\/p\u003e\n  \u003cp\u003eOn the camera side, a \u003cstrong\u003emale T2 thread\u003c\/strong\u003e is provided, compatible with the following cooled CMOS cameras:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eZWO ASI:\u003c\/strong\u003e ASI 1600, ASI 294, ASI 183, ASI 071, ASI 385\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eQHY:\u003c\/strong\u003e QHY 183, QHY 163, QHY 168\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eAdditional filter drawers for 1.25\" and 36 mm filters are available separately (see the recommended products section).\u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eLens mount\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eCanon EF bayonet (EF-S only partially compatible)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eCamera connection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eMale T2 thread\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eFilter format\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003e50.8 mm (2\"), cell-mounted\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eIncluded drawers\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003e2 filter drawers 2\"\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eFilter locking system\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eMagnetic attachment\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eSupport foot\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003e1\/4\" photo thread\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eCompatible CMOS cameras ZWO ASI\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eASI 1600, ASI 294, ASI 183, ASI 071, ASI 385\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eCompatible CMOS cameras QHY\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eQHY 183, QHY 163, QHY 168\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd; font-weight:bold;\"\u003eNikon compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding:8px 12px; border:1px solid #ddd;\"\u003eYes, via Canon\/Nikon converter (not included)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCanon EF bayonet \/ T2 lens adapter with filter drawer system\u003c\/li\u003e\n    \u003cli\u003e2 filter drawers 2\" (50.8 mm)\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003ePhotographic lenses and CMOS cameras are not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51261292577099,"sku":"AKART8172-CANON","price":169.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/artesky_adattatore_t2_obiettivi_canon_ef_slitta_portafiltri_astrofili.jpg?v=1744222177"},{"product_id":"ts-optics-adattatore-da-m48x0-75-a-t2-basso-profilo-tsm48-t2","title":"TS-Optics Adaptor from M48x0,75 to T2 - low profile","description":"\u003cp\u003e\u003cstrong\u003eThis low profile adaptor enables the connection of T2 accessories to adaptors with M48x0,75 male thread.\u003cbr \/\u003e\u003cbr \/\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThread towards telescope: M48x0,75 - 2\" filter thread (female thread)\u003c\/li\u003e \u003cli\u003eThread towards camera: T2 - M42x0,75 male thread\u003c\/li\u003e \u003cli\u003eOptical length only 3,5 mm\u003c\/li\u003e \u003cli\u003eCombining the optical extension tube TSVF230 with the TSM48-T2 adaptor provides a Focal Adaptor from 2\" to T2 - with no optical length!\u003c\/li\u003e \u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eTS-Optics Low Profile Adaptor from M48 filter thread to T2\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eThis adaptor is a typical \"problem solver\", if you want to reduce from M48 to T2. In specific, it reduces a M48x0,75 male thread to a T2 (M42x0,75) male thread.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cspan\u003eWhat makes this adaptor special is its low profile. Its optical length (not counting the male thread) is only 3,5mm. This results in a very short M48 female thread (2,5mm), which should be taken into consideration when planing the adaptation of your image train.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eA special combination using our M48 extension tube TSVF230 (pls see photo)\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr clear=\"all\" \/\u003e\u003cbr \/\u003e\u003cspan\u003eConnecting the TSM48-T2 adaptor with the TSVF230 extension tube gives you a Focal Adaptor from 2\" to T2 without safety groove.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cspan\u003eThe Focal Adaptor\u0026acute;s optical length is 0 !! Millimeters because it slots in entirely. It won\u0026acute;t get any shorter.\u003c\/span\u003e\u003cbr clear=\"all\" \/\u003e\u003cbr class=\"lh1\" \/\u003e\u003cbr \/\u003e\u003cstrong\u003eIf the TSVF215 is used instead of the TSVF230, the thread will rotate.\u003c\/strong\u003e\u003cspan\u003e\u0026nbsp;If you insert an M48ABSTIMMA1 in between, this will be avoided. However, the TSM48-T2 can then no longer be pushed into the 2\" receptacle because the tuning ring acts as a stop.\u003cbr \/\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003c\/span\u003e\u003c\/p\u003e \u003ctable cellpadding=\"4\"\u003e \u003ctbody\u003e \u003ctr class=\"bgltblue\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eFemale thread\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003eM48x0,75 - 2\" filter thread - 2,5 mm length\u003c\/td\u003e \u003c\/tr\u003e \u003ctr class=\"stpage-bg\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eMale thread\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003eT2 (M42x0,75) - 3 mm length\u003c\/td\u003e \u003c\/tr\u003e \u003ctr class=\"bgltblue\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eOptical length (not counting the male thread)\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003e3,5mm\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/p\u003e","brand":"TS-Optics","offers":[{"title":"Default Title","offer_id":51261293035851,"sku":"TSTSM48-T2","price":23.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/ts-optics-adattatore-m48x0-75-t2-basso-profilo-accessori-telescopio.jpg?v=1744222137"},{"product_id":"artesky-riduttore-da-m48-a-m42-t2","title":"Artesky M48 to M42 (T2) Reducer – M48\/T2 Adapter 5mm","description":"\u003ch2\u003eArtesky M48 to M42 (T2) Reducer – M48\/T2 Adapter 5mm\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArtesky M48 to M42 (T2) Reducer\u003c\/strong\u003e is a threaded adapter converting an \u003cstrong\u003eM48x0.75 connection to M42x0.75 (T2)\u003c\/strong\u003e, just 5mm long. It makes M48 accessories compatible with T2 accessories, particularly useful in configurations where there is not enough space for a thicker adapter.\u003c\/p\u003e\u003cp\u003eCompatible with filters, filter holders, extension rings and cameras with T2 threading. Made from high-quality black anodized aluminum.\u003c\/p\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":51261298278731,"sku":"AKART8190","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/artesky-riduttore-m48-a-m42-t2-adattatore-filetto-5mm-accessori.jpg?v=1744221905"},{"product_id":"tecnosky-adattatore-m48-maschio-t2-femmina","title":"Tecnosky Adapter M48 Male T2 Female","description":"\u003cp\u003eAdapter from M48 male to T2 female\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThis adapter can be screwed into the M48 \/ 2\" threads and reduces to T2, providing a female thread at the outlet.\u003cbr \/\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cstrong\u003eTechnical specifications:\u003c\/strong\u003e\u003cbr \/\u003e- telescope side thread: M48 male\u003cbr \/\u003e- accessory side thread: T2 female\u003cbr \/\u003e- 2,5mm thickness\u003c\/p\u003e","brand":"Tecnosky","offers":[{"title":"Default Title","offer_id":51261298409803,"sku":"TKTKm48t2","price":20.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/adattatore-m48-maschile-t2-femminile-tecnosky-telescopio.jpg?v=1744221901"},{"product_id":"ts-optics-prolunga-t2-m42x075-10mm","title":"TS-Optics T2 extension M42x0.75 - 10 mm","description":"\u003cp\u003e\u003cstrong\u003eTS T2 M42x0.75 extension tube - 10 mm length - with T2 threads at both ends.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u0026diams; Optical length: 10 mm\u003cbr \/\u003e\u003cbr \/\u003e\u0026diams; Male thread length: 4 mm\u003cbr \/\u003e\u003cbr \/\u003e\u0026diams; Female thread length: 9 mm\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cspan\u003eThis T2 extensions has a male T-thread on one and a female T-thread on the other side. With this adapter, you can bring accessories into focus. By combining different extensions, it is possible to fine tune the necessary distance exactly.\u003c\/span\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003cbr \/\u003e\u003c\/p\u003e \u003ctable cellpadding=\"4\"\u003e \u003ctbody\u003e \u003ctr class=\"bgltblue\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eTelescope side thread\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003eT2 fem. (M42x0.75)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr class=\"stpage-bg\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eCamera side thread\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003eT2 male (4 mm long)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr class=\"bgltblue\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eOptical length\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003e10 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr class=\"stpage-bg\"\u003e \u003ctd class=\"pr9\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e:\u003c\/td\u003e \u003ctd\u003eAluminium, black anodized\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"TS-Optics","offers":[{"title":"Default Title","offer_id":51261299786059,"sku":"TSTST2V10","price":14.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/ts-optics-prolunga-t2-m42x0-75-10mm-tubo-filettatura-t2-accessori-focus.jpg?v=1744221873"},{"product_id":"celestron-anello-t2-canon-eos-reflex","title":"Celestron T-Ring for Canon EOS Camera","description":"\u003cul\u003e \u003cul\u003e \u003cli\u003eThis Celestron T-Ring attaches to Canon EOS DSLR and SLR camera bodies\u003c\/li\u003e \u003cli\u003eSturdy bayonet flange locks in place just like a lens, providing secure contact\u003c\/li\u003e \u003cli\u003eAttaches to a variety of camera adapters and accessories via standard T-Threads\u003c\/li\u003e \u003c\/ul\u003e \u003c\/ul\u003e \u003cp\u003e\u003cem\u003eThis T-Ring fits EOS model cameras only.\u0026nbsp; It will not work with other Canon camera bodies.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eA T-Ring is one of the first accessories you will need if you want to take pictures through a telescope or spotting scope. If you have a Canon EOS camera body, the Celestron EOS T-Ring is the one for you.\u003c\/p\u003e \u003cp\u003eTo use the Canon EOS T-Ring, remove the lens from your camera, and attach the T-Ring in its place, just as you would if you were mounting a lens. The telescope side of the T-Ring has threads that will accept a variety of camera adapters, including the Celestron T-Adapter or Tele-Extender. The adapter you choose depends on the type of photography you wish to do.\u003c\/p\u003e \u003cp\u003eYou can take pictures of terrestrial and\/or celestial scenes by using a simple T-Adapter to turn your telescope or spotting scope into a large telephoto lens. The #93633-A T-Adapter is the best choice if you own a Schmidt-Cassegrain telescope with standard rear cell threads. If you have a refractor, the Universal T-Adapter (#93625), with its 1-1\/4\u0026rdquo; barrel insert, is available. There are also special T-Adapters for the EdgeHD optical system: one for the 8-inch EdgeHD (#93644) and one for the 9.25, 11, and 14-inch EdgeHD (#93646).\u003c\/p\u003e \u003cp\u003ePrime focus photography is popular for short exposure images of terrestrial objects as well as celestial objects like the Moon.\u003c\/p\u003e \u003cp\u003eIf you need extra magnification beyond that which your Schmidt-Cassegrain telescope provides, a Tele-Extender (#93643) will allow you to insert an eyepiece inside the barrel before attaching it to the telescope. A Tele-Extender is used most often for high power images of the Moon and the planets.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":51261884465483,"sku":"CSCE93419","price":28.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/anello-t2-canon-eos-adattatore-t-ring-m42-fotocamera-telescopio-materiale-alluminio.jpg?v=1744219919"},{"product_id":"artesky-prolunga-m42-t2-3mm","title":"M42 (T2) Extension Tube Artesky 3mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 3mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 3mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e3 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943516709195,"sku":"AKM423","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-3mm.jpg?v=1785000595"},{"product_id":"artesky-prolunga-m42-t2-4mm","title":"M42 (T2) Extension Tube Artesky 4mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 4mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 4mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e4 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943517102411,"sku":"AKM424","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-4mm.jpg?v=1785000628"},{"product_id":"artesky-prolunga-m42-t2-6mm","title":"M42 (T2) Extension Tube Artesky 6mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 6mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 6mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e6 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943517495627,"sku":"AKM426","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-6mm.jpg?v=1785000659"},{"product_id":"artesky-prolunga-m42-t2-7mm","title":"M42 (T2) Extension Tube Artesky 7mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 7mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 7mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e7 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943517987147,"sku":"AKM427","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-7mm.jpg?v=1785000692"},{"product_id":"artesky-prolunga-m42-t2-7-5mm","title":"M42 (T2) Extension Tube Artesky 7.5mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 7.5mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 7.5mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field 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mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943521165643,"sku":"AKM428","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-8mm.jpg?v=1785000753"},{"product_id":"artesky-prolunga-m42-t2-9mm","title":"M42 (T2) Extension Tube Artesky 9mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 9mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 9mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field flatteners that require a specific back focus.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eThread\u003c\/td\u003e\u003ctd\u003eM42x0.75 (T2) male\/female\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e9 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eArtesky\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Artesky","offers":[{"title":"Default Title","offer_id":57943521231179,"sku":"AKM429","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Artesky-Extension-tube-T2-9mm.jpg?v=1785000784"},{"product_id":"artesky-prolunga-m42-t2-10mm","title":"M42 (T2) Extension Tube Artesky 10mm","description":"\u003cp\u003e\u003cstrong\u003eThe Artesky M42 (T2) extension tube 10mm\u003c\/strong\u003e is a spacer ring with M42x0.75 male\/female thread, used to adjust the back focus in the optical train.\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's for\u003c\/h2\u003e\n\u003cp\u003eIt is fitted between two T2-threaded components (camera rings, filter wheels, CCD\/CMOS cameras, focal reducers) to add exactly 10mm of distance, achieving the back focus required by the optics.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eEssential for astrophotographers who need to fine-tune the sensor-to-optics distance, especially with reducers or field 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