Canon EOS Wide-Mount Camera Adapter for Prime Focus Field Flatteners (67RLEOS)

Description Designed to be used with: Current 2.7” Prime Focus Field Flatteners (67PF462, 67PF562 and 67PF582) and previous 2.7” and 4” Prime Focus Field Flatteners (67PF69, 67PF79 and S155EDFFF) This DSLR Camera Adapter for Canon EOS cameras with its large 1.875" (47.6 mm) inside diameter bayonet minimizes vignetting on full frame sensors by eliminating the restrictive 1.5" (38 mm) diameter standard T-thread interface. Since the introduction of Canon’s full 35 mm frame DSLR’s, people have been asking for a solution to the vignetting caused by the small clear aperture of the standard T-ring interface that is universally used to connect telescopes to DSLR cameras. This was especially true for Astro-Physics telescope owners who also had either our 2.7" or 4" Field Flatteners. What good were pinpoint stars to the edge of a wide field when the edge of that field was darkened by the T-ring’s vignetting effect? So, in keeping with our commitment to imagers, we introduced a solution! The adap