Optolong

Optolong Clear Focusing Imaging Filter - 2"

Optolong UV / IR Cut Filter - 1.25"

Optolong Moon SkyGlow Filter - 2"

Optolong UV / IR Cut Filter - 36mm Unmounted

Optolong Ultra High Contrast UHC Filter - 1.25"

The Optolong IR Pass 685nm Filter blocks wavelengths below 670nm to enhance contrast and surface detail and reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets. Atmospheric seeing and distortion diminish as you move further away from visible light into the infrared, and since CCD and CMOS sensors are sensitive to IR light, imaging in the infrared will improve your results.

Optolong City Light Supression / Light Pollution Reduction CLS Filter - 2"

Optolong H-Beta Filter - 1.25"

Optolong UHC Clip Filter for Canon EOS Cameras with APS-C Sensor

The Optolong IR Pass 685nm Filter blocks wavelengths below 670nm to enhance contrast and surface detail and reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets. Atmospheric seeing and distortion diminish as you move further away from visible light into the infrared, and since CCD and CMOS sensors are sensitive to IR light, imaging in the infrared will improve your results.

Optolong UHC Clip Filter for Canon EOS Cameras with Full Frame Sensor