Tecnosky 0.8× Field Flattener and Reducer
When does the delivery take place?
Delivery times vary depending on the country and destination postal code. They will be shown at checkout and apply only to products currently in stock.
For products marked as Not in stock, processing may take between 5 and 15 days. If delays occur, our customer service will contact you with timely updates.
What are the warranty terms?
All our products come with a 24-month legal warranty. Some brands provide extended warranty. Contact us for more info.
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Can I return a product?
You have the right to return a product within 14 days from delivery, as stated in our Refund Policy. Return shipping costs are the responsibility of the customer. Items must be returned in their original condition and packaging. Please contact us before returning.
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Vai al moduloTecnosky 0.8× Field Flattener & Reducer – Universal for Refractors
The Tecnosky 0.8× flattener/reducer features a 4-element optical design and is intended for refractors with a 2" focuser. Optimized for focal lengths between 400 mm and 600 mm, but also compatible with longer focal lengths. It provides effective field curvature correction and a focal reduction ideal for astrophotography.
On the telescope side, it fits directly into any 2" focuser. On the camera side, it offers a standard T2 thread (M42×0.75 mm) for easy connection to astro cameras or DSLR systems with T-rings.
Main features
- 0.8× focal length reduction
- 4-element design for improved field and chromatic correction
- Universal compatibility with 2" focusers
- T2 (M42×0.75 mm) camera thread
Recommended backfocus by focal length
| Telescope focal length | Recommended backfocus |
|---|---|
| ≤ 350 mm | 70 mm |
| ≤ 420 mm | 65 mm |
| 450–500 mm | 61 mm |
| 510–600 mm | 58 mm |
| 610–700 mm | 57 mm |
| 710–790 mm | 56 mm |
| ≥ 800 mm | 55 mm |