Sell Svbony Telescope Filter 2 inches UHC Filter for Observations of Deep Sky Objects Ultra High Contrast Filter Reduce Light Pollution best price

Svbony Light Pollution Reduction UHC Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. Features: 1.UHC telescope filter was designed to improve the image contrast of observed objects. due to its ability to produce exceptionally sharp and clear images;this filter is considered one of the most popular astronomy accessories; it can be used not only for celestial observations but also for astrophotography 2.This filter only passes the light around the 400nm line. It does not transmit the Ha and higher. Filter works great 3.Optical glass lens; aluminum frame; significantly reduces light pollution; great for city and suburban observation 4.Sharp and clear images;this UHC filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography 5.Optical glass lens; aluminum frame; significantly reduces light pollution;great for city and suburban observation Specification: Material: Optical glass lens, Aluminum Frame Barrel diameter: 2'' Thread: Standard: M48*0.75mm Product Dimensions: 1 x 1 x 2 inches Item Weight: 1.69 ounces Pls note: the filters of Svbony are not designed for sun observation. Do not look at the sun with Svbony filter. You would be HURT if you fail to observe the warning. Package Includes: 1× Svbony 2 inch UHC Filter 1× Sturdy Plastic Case