Optolong L-Para 2" Dual-band Filter Dovetail AstroMaster Telescope Line Astro Fi

AstroMaster Telescope Line Astro Fi Wi-Fi Telescope Line AstroMaster LT Telescope Line Cometron 114AZ PowerSeeker Telescope Line LCM Telescope Line StarSense Explorer Telescope Lines*

Weighs 18lbs

Selective adjustments     162

8mm Width 69

Vespera Pro Smart Telescope

Optolong L-Para 2" Dual-band Filter Dovetail AstroMaster Telescope Line Astro FiL Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L Para is 10nm for OIII (500. 7nm) and H Alpha (656. 3nm) respectively. The transmittance of nebulae emission lines are both greater than 85% in system with focal ratios of F2 and above. It effectively filters out mercury lamp, sodium lamp, and LED light pollution emission lines. At the same time, it has excellent contrast and anti halo characteristics, allowing you to