What's a Nikon D810A?
- Thread starter BillN_33
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Grabbed from a website
The Nikon D810A is a specialized version of the regular D810 that has been modified for specific types of astrophotography. The infrared (IR) cut filter has been optimized to allow transmission of the hydrogen alpha spectral line, resulting in four times greater sensitivity of the 656nm wavelength. The resulting images capture the brilliant red hues of diffuse nebulae and constellations in striking detail and fidelity. While not recommended for general photography, the D810A is an excellent option for photographing the universe with either NIKKOR lenses or third-party adaptors for telescopes.
The Nikon D810A is a specialized version of the regular D810 that has been modified for specific types of astrophotography. The infrared (IR) cut filter has been optimized to allow transmission of the hydrogen alpha spectral line, resulting in four times greater sensitivity of the 656nm wavelength. The resulting images capture the brilliant red hues of diffuse nebulae and constellations in striking detail and fidelity. While not recommended for general photography, the D810A is an excellent option for photographing the universe with either NIKKOR lenses or third-party adaptors for telescopes.
Steve Smith
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Is it the Canadian model, eh?
Steve.
Steve.