Antares 2" UHC/LPR Filter - 2UHC Power Accessories The edges of the optics

The edges of the optics are blackened for increased contrast

This soft bag with an easy to use

This eliminates electronically induced noise from affecting the sensor and dramatically reduces heat from reaching that sensor

the barrel size is made for 2" focusers

Antares 2" UHC/LPR Filter - 2UHC Power Accessories The edges of the opticsAntares 2" UHC LPR Filter Product Highlights: Antares Ultra High Contrast 2" Filter Antares Light Pollution Reduction Filter Transmission = 480 nm to 510 nm Includes standard 2" size, M48x0. 6 mm Threads The Antares 2UHC Filter is a specialty filter that blocks the visual spectrum except for wavelengths between 480 nm and 510 nm. This type of blocking filter is also known as a Nebular or ALP (anti light pollution) or an LPR (Light Pollution Reduction)