Optolong Filters - Deep Sky Narrowband imaging specialists

1.  L-eXtreme Introduction L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and mon...

1.  L-eNhance IntroductionThe relentless spread or urbanization and its associated light pollution have become a growing problem for all amateur as...

1.Optolong L-Pro Introduction Optolong L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selective...

1. Optolong LRGB Introduction Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiatio...