Askar f/3.9 Full Frame Reducer for FRA400/5.6
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Askar f/3.9 Full Frame Reducer for FRA400/5.6Askar f/3.9 Full Frame Reducer for FRA400/5.6Askar f/3.9 Full Frame Reducer for FRA400/5.6Askar f/3.9 Full Frame Reducer for FRA400/5.6

Askar f/3.9 Full Frame Reducer for FRA400/5.6

£275.00
  (1 Review)
✓ 2 year warranty

  

Out of stock due 30-40 working days

About this product

Model:  askar_f3.9_fra400_reducer

This full-frame Focal Reducer is designed for use with the Askar FRA400 Astrograph.

It reduces the effective focal ratio by a factor of 0.7x, taking this fast f/5.6 scope down to an even faster f/3.9, with a 280mm focal length.

Enables a wider field of view and shorter exposure times, making capturing wide-field images of large deep-sky objects easier.

The reducer has a back focus of 55mm and includes threads for M48X0.75 (2") filters.

Dimensions

Optics

Customer reviews

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Only managed 2 test shots but...
13 September 2021  | 

As usual it was deliverd promptand well packaged, thanks FLO. Could only take 2 test subs as I had other problems with my rig but those 2 subs show good stars nearly all the way to the edge. I may need to adjust my spacing for it to be perfect but Im very impressed with this bit of kit.

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