Askar 0.8x Quadruplet Full-frame Reducer Professional Astronomical Accessory for 160APO Telescope
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Askar 0.8x Quadruplet Full-frame Reducer Professional Astronomical Accessory for 160APO Telescope
Description:
- The 0.8x reducer can bring Askar 160APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shorter focal ratio allows the OTA to have a wider field of view and faster exposure times, making it suitable for shooting large areas of nebulae, star clusters, and faint, fast-moving celestial objects.
- The 0.8x reducer adopts a quadruplet design and supports a 44mm full-frame image circle. The back focus from the M48 thread is a standard 55mm. The front thread is M92x1. At the camera end, it is equipped with M68x1, M54x0.75, and M48x0.75 three sizes of adapters, which are convenient for connection. At the same time, it has a built-in M48x0.75 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.
Specification:
- (After attaching) 160APO Focal length: 896mm
- (After attaching) 160APO Focal ratio: f/5.6
- Lens number: Quadruplet design
- Back focus: 55mm (from the base of M48 male thread)
- Weight: 1.1kg
- Rear-end thread type: M68x1; M54x0.75; M54x0.75-M48x0.75 (M48x0.75 filter thread inside)
Package Included:
- 1 x Reducer
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