Stargazers, set your cameras to shoot. Nikon's new D810A is a special variant of its D810 DSLR designed specifically for astrophotography.
Nikon says it tweaked the infrared cut filter on the camera to better capture the hydrogen alpha spectral wavelength. In layman's terms, it means photos of nebulae and constellations will have clearer, sharper reds. Photographers who aren't interested in shooting the stars should stay away from the D810A, though, as regular photos will look more red than usual.
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