656nm) than Nikon’s ‘normal’ D810 camera. This enhanced sensitivity to Hydrogen-alpha long-wavelength light means the D810A delivers an improved capture of infrared phenomena in the sky ...

series of cameras, including the 36 mp Nikon D800/D810 and the 45.7 mp Nikon D850, most frequently using a 50mm prime lens. From distances in the 25-30m range (80-100 feet), this enables sub-cm 3D ...