Optolong L-Para 2" Dual-band Filter Dovetail 99 at the highest resolution

99 at the highest resolution Mounting 1

Selective adjustments     162

Fully multi-coated lens elements: All air-to-glass surfaces have multiple layers of coating for maximum light transmission and color correction

Home and office desk decor – Add a striking centerpiece to the home or office with this detailed display model depicting Leonardo da Vinci’s Flying Machine

Vespera Pro Smart Telescope

Optolong L-Para 2" Dual-band Filter Dovetail 99 at the highest resolutionL 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