Calibration slides/Eyepiece Graticules

Calibration slides/ eyepiece graticules

SIOS stocks a range of Calibration Slides and Eyepiece Graticule as well as focusing eyepieces with graticules.





If you require an eyepiece graticule please advise us of style i.e. linear , squares and number of squares etc  and  most important the diameter required to suit your eyepiece.

We have a large range in stock or can be manufactured for us.

Calibration slides  glass76mm x 25.4mm with various rulings



Download Calibration slide:Calibration Slides pdf


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