D203F750 Primary Mirror + Secondary Mirror Fit Astronomical Telescope Mirror For Sale
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D203F750 Primary Mirror + Secondary Mirror Fit Astronomical Telescope Mirror :
1 x D203F750 Primary Mirror + Secondary Mirror
Need a large amount can contact me, the price can be discounted? (Depending on your choice, only applies to one size)
Condition: New & High Quality
Focal length: 750mm
D203 F750 reflective objective, spherical mirror, aluminized and protective film, is a good choice for diy telescope enthusiasts
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).
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