Askar 185APO 0.8x Full Frame Reducer
279.00
Tax included
Askar 185APO 0.8x Full Frame Reducer
0.8x full frame reducer optimized for the Askar 185APO. It reduces the focal ratio to f/5.6 while providing built-in field correction. Designed for wide-field astrophotography, it supports a 44 mm image circle, standard 55 mm back focus, and direct 2 inch filter use.
Askar 185APO 0.8x Full Frame Reducer
Description
The Askar 0.8x reducer for the 185APO is a premium optical accessory specifically optimized for this refractor. It reduces the focal length to 1036 mm and the focal ratio to f/5.6 while maintaining integrated field flattening. Its quadruplet optical design ensures excellent aberration control across a full frame 44 mm image circle. The standard 55 mm back focus from the M48 thread allows easy camera integration. It features an M92x1 front thread, M68, M54 and M48 adapters, and a built-in M48x0.75 filter thread for direct 2 inch filter installation. The reducer is fully CNC machined and supplied with threaded metal caps for protection.
Technical specifications
Reduction factor: 0.8x
Focal length after installation: 1036 mm
Focal ratio after installation: f/5.6
Optical design: quadruplet
Image circle: 44 mm full frame
Back focus: 55 mm from M48 male thread base
Front thread: M92x1
Camera adapters included: M68x1,M54x0.75,M48x0.75
Integrated filter thread: M48x0.75 for 2 inch filters
Weight: 0.95 kg
Manufacturing: CNC machined
Front and rear threaded metal caps
Askar 185APO 0.8X Reducer
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Askar 185APO 0.8x Full Frame Reducer
0.8x full frame reducer optimized for the Askar 185APO. It reduces the focal ratio to f/5.6 while providing built-in field correction. Designed for wide-field astrophotography, it supports a 44 mm image circle, standard 55 mm back focus, and direct 2 inch filter use.