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CYZW Telescope Accessories Reflector Spherical Primary Mirror + Secondary Mirror DIY Astronomical Telescope Mirror Set
Caliber 203mm 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 Primary secondary Mirror Telescope D203 F750 Reflective Objective Mirror Main Mirror 203mm caliber, 750mm focal length How to use？Cleaning the mirror surface

Price is $138.00

Price: $138