SharpStar 2.5″ 0.8x Full Frame Reducer for f/6-f/9 RC Telescopes

Description

The SharpStar 2.5-inch 0.8x full-frame reducer is designed for Ritchey-Chretien (RC) telescopes with focal ratios between f/6 and f/9. It reduces the focal length by 20%, producing a faster system with a wider field of view while correcting the inherent field curvature of RC optical designs. The 2.5-inch barrel accommodates the larger image circle needed for full-frame sensors, delivering sharp stars across the entire field.