William Optics Red Cat71 - RedCat 71 mm f/4.9 Refractor - T-C-71RD Celestron Mounts This allows you to attach

William Optics Red Cat71 - RedCat 71 mm f/4.9 Refractor - T-C-71RD Celestron Mounts This allows you to attachHurry, just one left at an amazing price! The William Optics RedCat refractor continues to be immensely popular, but if you'd like more aperture, check out the 71 mm f 4. 9 RedCat! This beautifully designed Petzval astrograph sports four optical elements in a three group configuration (2 1 1). The doublet front group is made of FPL 53 glass, followed by one central element and a rear lens. This optical design produces a flat image plane on its own,

SKU: 83022602477 · From www.marsberger-treibhaus.de