OPTOLONG L-PRO FILTER finder the rim around the generator

the rim around the generator reduces the white light disturbance (a must have in star parties where white lights are prohibited)

Vixen-Style

GM4000 HPS II Catalogue

Especially during sandstorms which can encircle the entire planet and cover features

OPTOLONG L-PRO FILTER finder the rim around the generatorThe Optolong L Pro filter is a light pollution multiband filter designed to reduce the effect of light pollution while offering a great white balance. CLS, UHC, L eNhance, L eXtreme and narrowband filters are very effective in increasing the contrast of emission nebulae but they are ineffective on deep sky objects that have a continuous spectrum such as galaxies, globular clusters and reflection nebulas. The L Pro works as a universal light pollution