Feature

●Astronomical Telescope Optical Axis Calibrator Eyepiece Long Astronomy Telescope Accessories
●Calibration Eyepiece
●Suitable for calibrating the optical axis of a mirror
●Material: Aluminum Alloy
●Size: 1.25" Exterior Color: Black


Description

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