Filter Photometric Astrodon Type B...
Advanced Ct Collimator For Focusers By 50.2 mm. It Differs From The Version 31.8 mm Only For Reflex Element Turntable. It 'Can Be Purchased Separately The Only Element Rilfessione Chuck To Use The Collimator Advanced Ct Is On Focuser 31, 8 mm Is About 50.2 mm Focuser. Please See The Details Of Version 31.8 mm For More Information On The Complete Package.
Meade 1.25" Laser Collimator with 2" Adapter. Helps collimate your Newtonian and Schidt-Newtonian telescope quickly. It features adjustable brightness and 1.25" barrel size with 2" adapter. Includes CR2032 battery.