Sky Mentor Light Pollution Filter - 2" - TA-301-3 2X Barlows Package Includes: Enlarged focuser with

Package Includes: Enlarged focuser with 3" entrance aperture and 2

Celestron Starbright XLT Coatings coupled with Celestron's StarBright XLT coating group on every surface

superior StarBright XLT coatings

this mount has the capability of tracking and finding many beautiful night sky objects

309 grams (2") Lens Coating: "Phantom Coating" - Baader - Group Multicoated Baader SKU: 2454826

Sky Mentor Light Pollution Filter - 2" - TA-301-3 2X Barlows Package Includes: Enlarged focuser withSky Mentor Light Pollution Filter 2" The Sky Mentor Light Pollution Filter is a 2" specialty filter that blocks the visual spectrum except for wavelengths between 480 nm and 510 nm. This type of blocking filter is also known as a Nebular or ALP (anti light pollution) or an LPR (Light Pollution Reduction) filter. This particular transmission characteristic allows passage of ionized oxygen and hydrogen lines, but blocks light pollution sky reflectance