William Optics STC Astro Duo-Narrowband Filter - 48 mm - YF-STC-ADN Celestron 25" Round Mounted Specifications

25" Round Mounted Specifications

Provides extra comfort when higher elevation is needed for observing purposes

2“ BARREL (MM) 21 mm SLIP PROTECT SAFETY Safety Kerfs EYEPIECE BODY ABOVE REFERENCE PLANE (MM) 95mm LENGTH OF 1¼" BARREL (MM) 24 mm LENGTH OF 2" BARREL (MM) 21 mm OUTER DIAMETER 55 mm OPTIONAL ACCESSORIES Dustcap Storage Holster SPECIAL FEATURES Photo-luminescent engraving: lets you find the correct eyepiece at all times INCLUDED ACCESSORIES Cordura eyepiece holster for fast access OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread

The deep red illumination can be adjusted to just the right brightness

These Celestron Telescopes yield breathtaking views of the moon

William Optics STC Astro Duo-Narrowband Filter - 48 mm - YF-STC-ADN Celestron 25" Round Mounted SpecificationsWilliam 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