Feature

●Astronomical Telescope Optical Axis alignment calibrated eyelid short astronomical telescope accessory
●Calibration Eyepiece
●Suitable for calibrating the optical axis of a mirror
●Material: Aluminum Alloy
●Size: 1.25 in


Description

Calibration Eyepiece
Suitable for calibrating the optical axis of a mirror
Material: Aluminum Alloy
Size: 1.25 in.
Appearance Color: Black