Newton Reflective Telescope D150 F750 Reflective Objective Mirror Main Mirror
Caliber: 150mm
Focal length:750mm
How to use？
Cleaning the mirror surface: first blow off the dust that can be blown off with a blown balloon, then use a good quality absorbent cotton to dip the alcohol and gently wipe the mirror. After drying, look at the light source from the side to see if there is some cotton or Keep the water stains on top, and if necessary, gently wipe them with some good quality mirror cloth (be careful, otherwise it will affect your telescope).
Package includes:
1PC D150F750 Primary mirror
1PC secondary mirror Mirror
D150f750 spherical primary mirror and 70mm short axis secondary mirror
D150f750 concave spherical mirror and 35mm short axis secondary mirror Concave spherical mirror, caliber: 150 mm, focal length: 750 mm, surface aluminized and protective film. The short axis refers to the short side length of the secondary mirror. Minor axis of secondary mirror 35mm