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

Description

• D114F450 parabolic reflector lens devised for DIY astronomers, featuring a 114mm caliber and 450mm focal length for optimal viewing.
• Precision-engineered primary mirror with 1/6 accuracy, ensuring clear and sharp images for your astronomical observations.
• Includes a 35mm secondary mirror, perfect for enhancing your telescope's performance and versatility in various viewing conditions.
• Durable aluminum coating on the lens surface protects against environmental damage while providing excellent light reflection for enhanced visibility.
• Comprehensive cleaning instructions included to maintain mirror surface, ensuring long-lasting performance and clarity for your telescope.

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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