William Optics Gran Turismo 81 Triplet APO Telescope - A-F81GTIV Color:Gold (GD) USB to RS-232 Serial Adapter

USB to RS-232 Serial Adapter

Efficiencies of the three longpass filters (Red

place the desired M42 Spacer Ring between the camera and the T-Adapter for your optical tube

while maintaining the absolute sharpness of the originals

William Optics Gran Turismo 81 Triplet APO Telescope - A-F81GTIV Color:Gold (GD) USB to RS-232 Serial AdapterWilliam Optics Gran Turismo 81 Triplet APO Telescope Choose Gold or Red 81 mm Aperture f 5. 9 Imaging Refractor Telescope FPL 53 glass for color free Apochromatic performance Air spaced Triplet APO Objective Compatible with 0. 8 Reducer Flattener Optional Covers full frame imaging circle, with Flattener 2. 5" dual speed Rack & Pinion Focuser Colors: Available in 2 colors, Red, or Gold Includes Mounting rings and Vixen style dovetail Dovetail is dual