• Chroma Technology Classic UBVRI Photometric Johnson/Cousins Bessell filters are designed for photometry purposes.
• Unlike narrowband, Bessell filter are wide band filters that permit and reject very wide bandpasses.
• The UBVRI filter set encompasses Ultraviolet, Blue, Visible, Red, and Infrared bands.
• These filters are used for analyzing star distance, temperature, composition, and analysis of galaxy or nebulae composition, among other purposes.
• This filter set is the 50mm square unmounted configurations of the Chroma Classic I Bessell filters.

The Chroma Technology Classic UBVRI Photometric Johnson/Cousins Bessell filters are designed specifically for photometry purposes. They can be thought of as somewhat the reverse of narrowband filters which only allow a very specific bandpass. In the case of these filters, they are wide band filters that permit and reject very wide bandpasses. The UBVRI, or often known as Bessell or Johnson/Cousins is a popular photometric filter set that encompasses Ultraviolet, Blue, Visible, Red and Infrared bands. These filters can be used for a variety of purposes such as analyzing star distance, temperature, composition and analysis of galaxy or nebulae composition and much more.