Adapter to attach QSI Cameras to Astro-Physics 2.7" and 4" Prime Focus Field Flatteners (A3512-A)

Closed, opens at 10amIndependent shop in BallardDirections

Available from Cloudbreak Optics when we last checked, in the last two days. Sold from the shop’s own store; the price there is the one that counts.

Description This adapter is specifically designed to attach AP 2.7" and 4" Field Flatteners to QSI’s 500 and 600 series WSG medium format cameras and to maintain the critical spacing to the focal plane at the perfect 86.4 mm. It utilizes the larger QSI and SBIG STL 2.156" thread size in order to minimize vignetting when using fast focal ratio telescopes. (2" nosepieces and T-threads are often too restrictive for today’s larger sized detector chips when used with fast scopes.) The versatility of