185APO 1x Full-frame Flattener
Category： APO reducers & flattener
The Askar 185 APO comes with three 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 185APO， and can provide more possibilities for telescope use.
Retail Price:
$ 329
20
In stock Back OrderedUpon package arrival, expect to pay customs duties and VAT to customs
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Retail Price:
¥ 55542
库存剩余
465465123
Upon package arrival, expect to pay customs duties and VAT to customs.
- Product introduction
- Product introduction
- Specifications
- Video
- Images
- Download
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- Commodity name: 185APO 1x Full-frame Flattener
- Commodity ID: 185APO 1x Full-frame Flattener
The Askar 185 APO comes with three 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 185APO， and can provide more possibilities for telescope use.
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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.
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1x Flattener Parameter
（After attaching）185APO Focal length
1295mm
（After attaching）185APO 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)1x Flattener Size Diagram
1x Flattener Installation
Spot Diagram
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Nico Carver | M57 The Ring Nebula | Askar 185APO + 1.0x Flattener + 0.8x Full-frame Reducer + QHYCCD miniCAM8M
Mr.ZhuLiQun | Markarian galaxies | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Mr.ZhuLiQun | IC 2169 | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Mr.ZhuLiQun | Fossil Footprint Nebula (NGC 1491) | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Product introduction
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
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1x Flattener Parameter |
||
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（After attaching）185APO Focal length |
1295mm |
|
|
（After attaching）185APO 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 |
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1x Flattener Size Diagram |
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1x Flattener Installation |
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Spot Diagram |
Video
Images
Nico Carver | M57 The Ring Nebula | Askar 185APO + 1.0x Flattener + 0.8x Full-frame Reducer + QHYCCD miniCAM8M
Mr.ZhuLiQun | Markarian galaxies | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Mr.ZhuLiQun | IC 2169 | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Mr.ZhuLiQun | Fossil Footprint Nebula (NGC 1491) | Askar 185APO + 1.0x Flattener + ZWO ASI6200MM Pro
Download
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