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Get it between 2025-08-11 to 2025-08-18. Additional 3 business days for provincial shipping.
SV197 cheshire collimating eyepiece fits for Newtonian and SCT reflector telescopes; also useful for aligning refractor optics very accurately
The SV197 cheshire collimating eyepiece for accurate alignment of any Newtonian reflector telescope mirrors; ideal for ensuring the optical alignment
Peephole in top; The SV197 cheshire collimating eyepiece can directly see the result of the calibration
Precision machined from aluminium with fine crosshairs and a clear bright mirror with sighting hole
Easy alignment; no batteries needed; for secondary mirror collimation; can be used only during the day