The Celestron Cheshire Collimation Eyepiece is ideal for precise collimation of Newtonians and helpful for aligning Schmidt-Cassegrains. This special eyepiece fits into 1.25" focusers or diagonals. Alignment is easy using the small opening on one end and thin cross hairs at the other end. The collimation eyepiece is more accurate than the simple Collimation Tool.

• A "must" have accessory for reflector telescopes

   

   

• Convenient for assisting in alignment of SCT optics

   

   

• Traditional design and more accurate than a simple collimation cap

   

   

• Fits all 1.25" focusers and diagonals

Equipment Type: Cheshire Collimation Eyepiece

Barrel Size: 1.25"