Orion 203mm f/4.9 Reflector Telescope Optical Tube Assembly
Responding to your requests, we are pleased to offer the Orion 203mm F/4.9 Reflector Telescope Optical Tube assembly (OTA) for folks who already have an equatorial mount. This optical tube assembly includes parabolic mirror optics, center marked for easy collimation. It has an upgraded 2" Crayford-style focuser (with 1.25" eyepiece adapter), quick-collimation cap, dust cap, and a dovetail base that accommodates any Orion finder scope. Pre-tapped holes in the rear cell allow attachment of an Orion Cooling Accelerator Fan (sold separately). Aperture: 203mm. Focal length: 1000mm (f/4.9). 2" collimatable Crayford-style focuser. The 203mm F/4.9 Reflector Telescope Optical Tube is recommended for visual use or astrophotography. Includes camera adapter. Weighs 16.5 lbs. Tube rings, tube ring mounting plate, finder scope, and telescope eyepieces sold separately.