Orion 9788 203mm f/4.9 Reflector Tube with Crayford-Style Focuser
Responding to your requests, we are pleased to offer this reflector 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. Recommended for visual use or astrophotography. Includes camera adapter. Weighs 16.5 lbs. Tube rings, tube ring mounting plate, finder scope, and eyepieces sold separately.