FF80 Apo 0.76x Full Frame Reducer

$ 440.00 incl. VAT plus shipping costs

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long-term
Product can be shipped as of 15.04.2026 + lead time

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Product description

The ZWO 3-inch reducer is suitable for full-frame sensors and designed for the ZWO FF80 Apo. It reduces the original focal length by a factor of 0.76x and flattens the image field. This results in a fast aperture ratio of f/5.7. The reducer consists of an optical design with three elements, including one element made of ED glass. The reducer has a rear connection to which the extension adapter included with the FF80 Apo can be connected. The flange focal distance is 55 mm and the reducer has a built-in 2" filter thread (M48x0.75).

How the connection works

Prepare the FF80APO and the reducer as follows:

Unscrew the four-segment connection at the end of the FF80APO telescope tube.
Unscrew the cap of the 0.76x reducer and attach it to the M68 thread of the four-segment connector.
Then unscrew the front cap of the reducer, insert it into the focuser and tighten it.