The Explore Scientific HR Variable Coma Corrector (2-inch) is an optical corrector designed by Harrie Rutten to reduce or eliminate coma in fast Newtonian telescopes. Its adjustable spacer is built to work across most Newtonians with a parabolic primary mirror. Corrects coma in Newtonian reflectors: Minimizes the comet-like star distortion common at the edge of the field in fast Newtonian designs. EMC coating: Reduces internal reflections for a cleaner image. Adjustable marked spacer: Works with almost any Newtonian telescope with a parabolic primary mirror, including fast models. Camera-adaptable: Can be used with a camera via a separately sold 2-inch to 1.25-inch adapter and the appropriate T2 adapter. 1-year warranty, extendable: Converts to Explore STAR's extended life warranty when registered within 60 days of purchase. Item Number HRCC02-01 Weight 1 lb (0.45 kg) Diameter 69.3mm Height 147.2mm
