Askar 0.85x Reducer & Flattener for 80ED Telescope
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Askar 80ED 0.85x Reducer & Flattener
Specifications
- (After attaching) 80ED Focal length: 476 mm (18.74 in)
- (After attaching) 80ED Focal ratio: f/5.9
- Lens number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back focus: 55 mm (2.17 in) from the base of M48 male thread
- Weight: 0.42 kg (0.97 lbs)
- Rear-end thread type:
- M54×0.75
- M48×0.75 (with M48×0.75 filter thread inside)
Other Information
- Country of Manufacture: China
Askar 80ED 0.85x Reducer & Flattener
Specifications
- (After attaching) 80ED Focal length: 476 mm (18.74 in)
- (After attaching) 80ED Focal ratio: f/5.9
- Lens number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back focus: 55 mm (2.17 in) from the base of M48 male thread
- Weight: 0.42 kg (0.97 lbs)
- Rear-end thread type:
- M54×0.75
- M48×0.75 (with M48×0.75 filter thread inside)
Askar 80ED 0.85x Reducer & Flattener
Specifications
- (After attaching) 80ED Focal length: 476 mm (18.74 in)
- (After attaching) 80ED Focal ratio: f/5.9
- Lens number: Triplet design (including one ED glass)
- Image circle: APS-C
- Back focus: 55 mm (2.17 in) from the base of M48 male thread
- Weight: 0.42 kg (0.97 lbs)
- Rear-end thread type:
- M54×0.75
- M48×0.75 (with M48×0.75 filter thread inside)
Other Information
- Country of Manufacture: China
Askar 0.85x Reducer & Flattener for 80ED Telescope