D150 F750 Primary mirror + secondary Mirror Set Fit Astronomical Telescope For Sale
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D150 F750 Primary mirror + secondary Mirror Set Fit Astronomical Telescope:
Packageinclude:1 x D150F750 Primary Mirror + Secondary New & High Quality
Focal length: 750mm
D150 F750 reflective objective, spherical mirror, aluminized and protective film, is a good choice for diy telescope 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 Policy:5.Please contact us before return.6.All items will be tested before shipment, please do not use the items or damage it, used or damaged parts are not acceptable to return.7.Buyers are responsible for all cost for shipping & reshipping.response Policy:1.Positive response will be appreciate if you are pleased with your purchase.
2.Before you make a negative or neutral response, Please contact us. We will solve problems for your satisfaction.