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FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply
FREE SHIPPING FOR ORDERS OVER 500$* Some exceptions may apply
Askar 0.7x Full Frame Reducer for FRA400/5.6 (FRA400FR) - Astronomy Plus

Askar 0.7x F/3.9 Full Frame Reducer for FRA400/FRA500 (FRA400FR)

by Askar
SKU ASK-FRA400/FRA500FR
$0
$397.00 - $397.00
$397.00
$397.00 - $397.00
$397.00
or 4 payments of $99.25 with
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Description

Askar 0.7x Full Frame Reducer for FRA400/FRA500 5.6

The Askar new FRA400/FRA500 F3.9 full-frame reducer reduces the telescope’s effective focal ratio by a factor of 0.7x, thus an original f/5.6 becomes an f/3.9 system, your exposure time will significantly shorten, providing a shorter, more optically “fast” focal ratio to make astrophotography more efficient. It designed for use with FRA400 refractor, providing a 280MM focal length for a wider imaging field of view. It achieves the 55MM back focus, and conveniently threaded for use with M48X0.75 (2") filters.  


In the Box

Warranty & Manuals
396