Optolong L-Pro Filter - 2" Equatorial Telescopes both standard sizes and custom

both standard sizes and custom work

to make access to the top end of the bag very easy

Application: 50mm Right Angle Finderscopes

N10 without a dew shield

Optolong L-Pro Filter - 2" Equatorial Telescopes both standard sizes and customOptolong L Pro is multi bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast on broadband emission objects such as galaxies, reflection nebulae and globular star clusters. The Optolong L Pro (L Professional) Filter is designed to improve the visibility of various deep sky objects by selectively reducing the transmission of light pollution