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Askar Full-frame 1x Flattener for Askar 140APO
ASK_FLAT140APO
315,00 €
Impuestos incluidos
The Askar 140APO comes with two optional premium accessories: a 1.0x flattener and a 0.8x reducer. Introduced here is the 1.0x flattener which is optimized for the Askar 140APO and can provide more possibilities for telescope use.
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Must-have accessories
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The 1x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 140APO, it still maintained a focal ratio of F7. 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 0.75kg. The back focus from the M48 thread is a standard 55mm. The front thread is M84*1. At the camera end, it is equipped with M54*0.75 and M48*0.75 two 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
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（After attaching）140APO Focal length |
980mm |
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（After attaching）140APO Focal ratio |
f/7 |
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Lens Number |
Triplet design |
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Back Focus |
55mm (from the base of M48 male thread) |
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Weight |
0.79kg |
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Rear-end thread type |
M68×1 |
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- Correction Optics Type
- Field Flattener
- -26,00 €
- -26,00 €
Askar, based in China, specializes in producing innovative telescopes and astrophotography equipment, appealing to a wide range of astronomers. Their focus on compact and portable designs increases accessibility for users aiming to explore astronomy more comfortably.
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