Revelation IR Blocking Filter 1.25: £14.99

Enhance imaging with any telescope

Telescope objective lenses are not corrected in the infrared and ultraviolet range of the spectrum (exception: reflecting telescopes). Unlike the naked eye the CCD chip of cameras is sensitive in the near IR. As a consequence contrast and sharpness would suffer. For this reason you should cut off the IR and UV light whenever there are any glass elements between the camera and the lens, The IR blocking filter is an interference filter with a steep, precisely controlled filter curve. For the naked eye the filter seems fully transparent since the human eye doesn't perceive the IR and UV light.

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