1pc D114F450 Parabolic Reflector Lens for DIY Astronomical Telescopes - High Precision Primary & Secondary Mirrors(Primary+Secondary Mirror)

Description

• D114F450 Parabolic Reflector Lens devised for DIY astronomical telescopes, ensuring optimal performance and clarity.
• Features a 114mm caliber and a 450mm focal length with a focal ratio of 3.95, perfect for stargazing and astrophotography enthusiasts.
• Includes both primary and secondary mirrors, with a 1/6 accuracy for enhanced imaging and precision.
• Coated with aluminum film and protective layers, this mirror is provides excellent light reflection for clear observations.
• Comprehensive cleaning instructions included to maintain mirror , ensuring your telescope remains in top condition for all your astronomical adventures.

Used:Cleaning the mirror surface: first blow off the dust that can be blown off with a blown balloon, then use a good 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 mirror cloth (be careful, otherwise it will affect your telescope).

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