Astrodon Inside filters replace infrared-blocking filters in Canon digital SLR cameras. This provides 99 percent sensitivity to Hydrogen-alpha light, a fivefold increase over the original filter.
The Nikon D810A is a 36.3 megapixel full-frame Digital SLR dedicated to astrophotography, with a specialised IR cut filter to capture the red tones and no optical low pass filter. The camera can also ...
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