ColorChecker | Kodak Tri-X 400

September 8, 2020

This time I present a photo of the ColorChecker taken with the Contax G2 rangefinder camera and 45mm lens on Kodak Tri-X 400 black & white 35mm film (slightly expired).

Again, the negative was scanned using the Minolta Scan Elite 5400 film scanner and VueScan. The file was saved as a 16-bit linear Tiff file. The negative was then inverted (made positive) in Photoshop using a very simple method that I have found to work better than the various other methods I have tried before (i.e., it requires minimal post-processing). I shall reveal how in a future blog post.

It is interesting to see how there is very little separation between the three primary colours (i.e., red, blue & green) on the ColorChecker. The green square being slightly lighter than the red and blue squares (which appear a similar tone). This is not the case with some other black & white films (and many lightroom / ACR black & white presets).

For the time being, the photo above (taken in daylight) is for illustration purposes only, because in the past I have found it useful to know how certain film stocks represent colours as compared to the many other methods that are out there for inverting film (and for making film presets for digital images).

Thanks for looking!

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