Antares 2" UHC/LPR Filter - 2UHC Power Accessories the barrel size is made

the barrel size is made for 2" focusers

Included adapter lets observers use their smart device to capture and share images

Under Al'''s guidance

The edges of the optics are blackened for increased contrast

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

Antares 2" UHC/LPR Filter - 2UHC Power Accessories the barrel size is madeAntares 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)