William Optics STC Astro Duo-Narrowband Filter - 48 mm - YF-STC-ADN Celestron These Celestron Telescopes yield breathtaking

These Celestron Telescopes yield breathtaking views of the moon

Raises your Telrad Finderscope by 4"

25" Round Mounted Specifications

66 Versascope Telescope OTA - Blue

6 Truss-Tube Dobsonian is their largest aperture telescope

William Optics STC Astro Duo-Narrowband Filter - 48 mm - YF-STC-ADN Celestron These Celestron Telescopes yield breathtakingWilliam Optics STC Astro Duo Narrowband Filter 48 mm TC Astro Duo Narrowband Filter from William Optics 48 mm Size Clip Filter Dual Band type Light pollution type filter Enhances H alpha and Oxygen III wavelengths Professional Ion Beam assisted deposition and AR coating technology This is a William Optics STC Astro Duo Narrowband Filter 48 mm size. STC Astro Duo Narrowband filter can reduce the interference from artificial lighting (man made light