Askar 0.8x focal reducer for 140APO refractor
Askar 0.8x focal reducer for 140APO refractor
Askar 0.8x focal reducer for 140APO refractor
The 0.8x reducer can bring Askar 140APO's focal ratio down to F/5.6. 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 capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.
The 0.8x reducer adopts a triplet design and supports a 44 mm full-frame image circle. The overall weight is 0.75 Kg. The back focus from the M48 thread is a standard 55 mm. The front thread is M92x1. At the camera end, it is equipped with M54x0.75 and M48x0.75 two sizes of adapters, which are convenient for connection. At the same time, it has a built-in M48x0.75 2" filter thread, which can be directly installed and used. The overall CNC machined, both end threaded metal caps prevent ash when not in use.
Installation
Spot diagram
| Product Status | New |
|---|---|
| Package width | 13 cm |
| Package height | 13 cm |
| Package depth | 11,5 cm |
| No. of parcels | 1 |
