The Askar 140 APO comes with three optional premium accessories, a 1.0x flattener and a 0.8x reducer. Introduced here is the 0.8x reducer, which is optimized for the Askar 140APO, and can provide more possibilities for telescope use.
0.8x Reducer Parameters |
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(After attaching)140APO Focal length |
784mm |
|
(After attaching)140APO Focal ratio |
f/5.6 |
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Lens Number |
Triplet design |
|
Back Focus |
55mm(from the base of M48 male thread) |
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Weight |
0.63kg |
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Rear-end thread type |
M54×0.75 |
0.8x Reducer Size Diagram |
0.8x Reducer Installation |
Spot Diagram |