Askar f/3.9 Reducer for FRA400 Refractor - FRA400-RED Meade Closeout unlike Barlow lenses which diverge

unlike Barlow lenses which diverge rays)

the EdgeHD tube has been redesigned to make sure you get the most from your optics each and every night

5") Weight 6 oz (170

This triplet ED refractor has an aperture of 127 mm with True Apochromatic diffraction limited performance

Askar f/3.9 Reducer for FRA400 Refractor - FRA400-RED Meade Closeout unlike Barlow lenses which divergeEffectively reduce the 400 mm focal length of the Askar FRA400 astrograph to 280 mm by adding the dedicated Askar f 3. 9 Reducer to your imaging set up! The reduction factor of the full frame FRA400 reducer is 0. 7X, and put another way, takes your f 5. 6 FRA400 refractor to a fast f 3. 9, cutting your exposure times in half! Telescope side threads are M68x1 and the camera side has M48 x 0. 75 threads that accept 2" filters as well as a M48 T ring or