Artesky M42 (T2) Extension Ring 5mm – T2 Spacer
When will I receive it?
Products marked In stock are dispatched promptly — the exact delivery estimate for your address is shown at checkout, before you confirm the order.
For international shipments, delivery times depend on the destination and are always displayed at checkout before payment.
Products marked Available on order require 5–15 business days for processing. Our team will keep you updated promptly if anything changes.
What are the warranty terms?
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Many brands also offer extended warranty coverage beyond 24 months — contact us to find out the specific terms for the product you're interested in.
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Can I return a product?
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The Artesky M42 T2 Extension Ring 5mm is a threaded spacer with M42x0.75 male/female threading (T2 standard), designed for fine backfocus adjustment in astrophotography optical trains. At just 5mm thick, it allows micro-corrections of focal distance without adding bulk to the optical train.
Compatible with all T2 threaded accessories: T2 rings for DSLR cameras, filter holders, CCD/CMOS cameras and focal reducers. Made from high-precision black anodized aluminum.