Cheshire Collimation Eyepiece for Reflector Telescopes (1.25 in, Optional Crosshairs)
A one part Cheshire-style collimation eyepiece (1.25 in). More effective than a standard pinhole collimation cap, especially when lighting is not optimal. Update 02-2025: Added a version of the eyepiece with crosshairs. Make sure to print…
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