Brand New Astronomik L-3 UV-IR Block Filter 36mm Color Camera The purpose here is to

The purpose here is to keep your equipment centered over the tripod as best you can

Eyepiece rack

The precision passbands of the LRGB filters include a gap between red and green to improve color balance and partially block the sodium line at 589nm to suppress light pollution from low and high pressure sodium lamps

but more tailored for color astronomical cameras

Brand New Astronomik L-3 UV-IR Block Filter 36mm Color Camera The purpose here is toCondition: This is a Brand New 36mm Astronomik L 3 UV IR filter. The original jewel box has never been opened, and we haven't opened it, either: see the photos. This isn't "like new"; IT IS NEW. Save TWENTY FIVE BUCKS off of the new one! Description: Depending on the color correction of your scope you may use a wider spectral window for the Luminance data. The L1 filter has the widest spectral window, the L2 is about the same as our current L Filter