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Stargazing July 13th ✦ 7pm-10pm
Stargazing July 13th ✦ 7pm-10pm

Askar 185APO 0.8x Full-frame Reducer

by Askar
$299.00
SKU Askar185RED

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The 0.8x reducer can bring Askar 185APO's focal ratio down to F5.6. 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 quadruplet design and supports a 44mm full-frame image circle.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 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

(After attaching)185APO Focal length

1036mm

(After attaching)185APO Focal ratio

f/5.6

Lens Number

Quadruplet design

Back Focus

55mm(from the base of M48 male thread)

Weight

kg

Rear-end thread type

M68×1
M54×0.75
M54×0.75-M48×0.75 (M48×0.75 filter thread inside)