Astrophotography filters are either narrowband (for nebulae) or wideband (for galaxies and star clusters). Narrowband filters isolate specific light wavelengths; wideband filters let through a broader ...

We may receive a commission on purchases made from links. If you're a photographer, you know that the subjects you capture can determine how you shoot and what you shoot with. The gear a nature ...

Optolong Optics Co., Ltd is the brand owner of Optolong who is a manufacturer of astronomy filters, fluorescence filters. We also offer other interference filters like UV filters, visible filters and ...

Astrophotography is a hobby with a huge learning curve, and one aspect that can muddy the waters is the dizzying array of filters on the market. What is narrowband? What size do I need? Which are good ...