-40%
D114F900 Primary Mirror + Secondary Mirror Set DIY Astronomical Telescope
$ 52.27
- Description
- Size Guide
Description
Package include:1 x D114F900 Primary Mirror + Secondary Mirror
(Need a large amount can contact me, the price can be discounted
Condition: New & High Quality
Diameter: D=114MM Focal length: 900mm
D114F900 reflective objective, spherical mirror, aluminized and protective film, is a good choice for diy telescope enthusiasts
Notes:
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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