Celestron F6.3 Reducer/Corrector 20302 and field curvature

and field curvature

large pixel size

85x and provides much improved field-edge correction

so remove the least amount of foam possible before testing the fit

internally darkened aluminium tube of excellent rigidity

Celestron F6.3 Reducer/Corrector 20302 and field curvatureThis combination focal reducer and field corrector lens accessory works with all Celestron 5", 8", 9 1 4", 11" and 14" Schmidt Cassegrain telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer Corrector is f 6. 3 for C5, C8, C9 and C11 telescopes and f 7 for the C14 telescope. It offers wide fields of view with any Schmidt Cassegrain telescope. Used for