Askar 1.0X Flattener for 160APO - 160APO-FLAT
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The Askar 160APO 1X Flattener is designed to correct field curvature and coma, resulting in flatter field edges and finer star points.
The 1.0x flattener adopts a triplet design and supports a 44mm full-frame image circle. The back focus from the M48 thread is a standard 55mm. The front thread is M92*1. At the camera end, the flattener is equipped with M68*1, M54*0.75, and M48*0.75 adapters. The camera end of the flattener also has a built-in M48*0.75 (2") filter thread.
The Askar 160APO Flattener comes with CNC machined metal caps for both ends to protect the optics when not in use.
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1x Flattener Parameters |
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160APO Focal Length with Flattener Installed |
1120mm |
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160APO Focal Ratio with Flattener Installed |
f/7 |
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Number of lenses |
Triplet design |
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Back Focus |
55mm (from the base of M48 male thread） |
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Weight |
0.56kg |
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Rear-end thread type |
M68×1 |
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