Nikon D40x Infrared Photography Test

We test the Nikon D40x with a Hoya R72 filter for its capability for infrared photography
For this test we took a Nikon D40x out with a Hoya R72 filter and a tripod into the field and tested its IR sensitivity.

Nikon D40x dSLR infrared photography test
This image as it comes from the camera was shot at 30 seconds, f3.5 and 100ISO

Red channel
Nikon D40x dSLR infrared photography test

Green channel
Nikon D40x dSLR infrared photography test

Blue channel
Nikon D40x dSLR infrared photography test

Taking the red channel to do a mono conversion and then using levels, we get the following result:
Nikon D40x dSLR infrared photography test

Unlike many other digitals, the blue channel is not markedly noisier than the green, as shown below. These are 100% sections of an image shot at 400ISO.

Red
Nikon D40x dSLR infrared photography test

Green
Nikon D40x dSLR infrared photography test

Blue
Nikon D40x dSLR infrared photography test

The D40x is a quite capable IR camera, so long as you engage with the joys of the long exposures.

Nikon D40x dSLR infrared photography test
A conversion from the green channel.

Nikon D40x dSLR infrared photography test

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