SVBONY Telescope Filter UHC Filter Ultra High Contrast Filter EOS-C Clip-on for CCD Cameras & DSLR Reduce Light Pollution, Brand New in perfect condition as shown on actual pictures.

***Details and description available by request, please feel free to ask***

*** Purchases made Friday after 1:00 pm will be ship the following Monday***

Material: Optical Glass, Plastic

Photo Filter Thread Size: 1.25 Inches

Coating Description: Multi Coating

Photo Filter Effect Type: Ultraviolet

Water Resistance Level: Not Water Resistant

Product Dimensions: 1.25"L x 1.25"W

This filter can be used not only for celestial observations but also for astrophotography

Double sided multi layer coating with a broadband anti reflection coating on the back to reduce reflected light

Ultra thin filter cell minimize vignetting by maximize possible; 0.1% transmission of off band specifically the major emission lines of artificial light pollution

Aerometal material precise CNC machining sand blasting CWL central wavelength no deviation affected by temperature change

Process black anodized finish extinction treatment to prevent reflection laser engraving, no fading