William Optics RedCat 91 f/4.9 WIFD Petzval Refractor - T-C-91 2.3 mm Eyepieces Optical Tube Weight: 45 lbs

Optical Tube Weight: 45 lbs (20 kg)

a tripod with 1

2-inch Adaptor allows snug use with both 1

capable of capturing and storing raw astronomical files (FITS) for later computer processing

Focal Length (mm): 6 - 3

William Optics RedCat 91 f/4.9 WIFD Petzval Refractor - T-C-91 2.3 mm Eyepieces Optical Tube Weight: 45 lbsThe William Optics RedCat refractor continues to be immensely popular, but if you'd like more aperture, check out the 91 mm f 4. 9 RedCat! This beautifully designed Advanced Petzval astrograph sports five (5!) optical elements, 3 of which are made with Super ED glass for amazing image quality. This optical design produces a flat image plane on its own, with an image circle of 50 mm, without the need for a flattener. With an image circle this big, the