Available again soon - The Celestron Cheshire Collimation Eyepiece is ideal for precise collimation of Newtonian telescopes and helpful for aligning Schmidt Cassegrains. This special eyepiece fits into standard 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 and is also useful on refractors with adjustable lens cells.
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