Imaging recource: Nikon sends the astrophotography-friendly D810A into a black hole

Pour one out for the Nikon D810A. Its time has come to an end. Per B&H, the Nikon D810A has been discontinued and is no longer available for order. If you recall, the D810A was Nikon's first - and still only - full-frame DSLR dedicated to astrophotography. What made the D810A special was that it had a specialized IR cut filter which allowed for better capture of H-alpha emission nebulae. In fact, compared to the D810, the D810A was four times more sensitive to the 656 nm wavelength. Further, the D810A had a long exposure mode which...
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