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Askar 1x Flattener for 185APO

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Askar 1x Flattener for 185APO

The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 185APO, it still maintained a focal ratio of 7. The flattener corrects 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 overall weight is 0.79kg. The back focus from the M48 thread is a standard 55mm. The front thread is M92*1. At the camera end, it is equipped with M68*1, M54*0.75, and M48*0.75 three sizes of adapters, which are convenient for connection. At the same time, it has a built-in M48*0.75 2-inch filter thread, which can be directly installed and used. The overall CNC machined, both end threaded metal caps prevent ash when not in use.


Specifications: Askar 1x Flattener for 185APO

  • (After attaching) 140APO Focal length: 1295mm
  • (After attaching) 140APO Focal ratio: f/7
  • Lens Number: Triplet design
  • Back Focus: 55mm (from the base of M48 male thread)
  • Weight: 0.74kg
  • Rear-end thread type:
    • M68×1
    • M54×0.75
    • M54×0.75-M48×0.75(M48×0.75 filter thread inside)

What's in the Box

What's in the Box: Askar 1x Flattener for 185APO

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