Celestron Light Pollution Filter

The light pollution imaging lpi filter for the 8 rasa blocks light from some of the most common sources of light pollution between 400 700nm i e the visible spectrum including high and low pressure sodium vapor streetlights mercury vapor streetlights and natural airglow caused by oxygen in the atmosphere.

Celestron light pollution filter.

The design of the filter includes layers that block specific bandpass lines of the visible spectrum. This filter blocks specific areas of the spectrum instead of wide regions to maintain image brightness and. The advanced technology coatings enable the filter to achieve an outstanding transmission of over 97 across the entire bandpass with total blockage of prominent light pollution lines. Get the most out of your celestron rowe ackermann schmidt astrograph 11 even under light polluted skies with this light pollution imaging filter custom designed for the rasa.

The light pollution imaging lpi filter for the 8 rasa blocks light from some of the most common sources of light pollution between 400 700nm i e the visible spectrum including high and low pressure sodium vapor streetlights mercury vapor streetlights and natural airglow caused by oxygen in the atmosphere. No matter which camera you use this filter s generous 68 mm clear aperture allows it to easily accommodate today s largest sensors. To help combat light pollution celestron offer a rasa light pollution imaging filter for the rasa 8 and rasa 11 scopes which has been developed to block the light pollution from some common sources including high and low pressure sodium streetlights as well as natural airglow. A light pollution telescope filter is probably the most generic of these types of filters and is designed to block out certain wavelengths of light such as the light being created by sodium vapor mercury fluorescent and other man made sources of light that are typically found in outdoor lighting.