astro.n-minus

Accessory · MSRP $200

Astro-Tech 0.8× Reducer for AT66EDQ

Key specifications

Accessory typeFlattener/Reducer

All specifications

InterfaceM48×0.75 T-thread (camera side)
Compatible withAstro-Tech AT66EDQ only; not interchangeable with other AT refractors

About

A 0.8× focal reducer matched to the AT66EDQ quadruplet, shortening it from 462 mm f/7 to 370 mm f/5.6 while preserving the scope's flat field across a full-frame sensor. Fully multi-coated, with a 48 mm T-thread camera connection.

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