103APO 0.8x Full-frame Reducer
Category： APO reducers & flattener
The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.8x reducer， which is optimized for the Askar 103APO， and can provide more possibilities for telescope use.
Retail Price:
$ 219
19
In stock Back OrderedUpon package arrival, expect to pay customs duties and VAT to customs
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尺码
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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: 103APO 0.8x Full-frame Reducer
- Commodity ID: 103APO 0.8x Reducer
The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.8x reducer， which is optimized for the Askar 103APO， and can provide more possibilities for telescope use.
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The 0.8x reducer can bring Askar 103APO's focal ratio down to F5.4. 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 capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.
The 0.8x reducer adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.48kg. 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.
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0.8x Reducer Parameters
（After attaching）103APO Focal length
560.32mm
（After attaching）103APO Focal ratio
f/5.44
Lens Number
Triplet design
Back Focus
55mm（from the base of M48 male thread）
Weight
0.48kg
Rear-end thread type
M54×0.75
M54×0.75-M48×0.75 (M48×0.75 filter thread inside)0.8x Reducer Size Diagram
0.8x Reducer Installation
Spot Diagram
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photo by SANDWALL
Photo by:Drew Evans | Bat and Squid | Askar 103APO+ 0.8X reducer+ZWO ASI2600MCP
Product introduction
The 0.8x reducer can bring Askar 103APO's focal ratio down to F5.4. 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 capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.
The 0.8x reducer adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.48kg. 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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0.8x Reducer Parameters |
||
|
（After attaching）103APO Focal length |
560.32mm |
|
|
（After attaching）103APO Focal ratio |
f/5.44 |
|
|
Lens Number |
Triplet design |
|
|
Back Focus |
55mm（from the base of M48 male thread） |
|
|
Weight |
0.48kg |
|
|
Rear-end thread type |
M54×0.75 |
|
|
0.8x Reducer Size Diagram |
|
0.8x Reducer Installation |
|
Spot Diagram |
Video
Images
photo by SANDWALL
Photo by:Drew Evans | Bat and Squid | Askar 103APO+ 0.8X reducer+ZWO ASI2600MCP
Download
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