Hi Greg, the way that I read IC-Racer's tests on the LED Blue/Green Sensitometer's via the Photrio threads was that they performed properly for him in regards to the full range of tests and validated across multiple films and developers. I assume he had to figure out exposure time and illumination or he could not have constructed the characteristic curves. It would be good for IC-Racer to comment on this specific thread for clarity.
I am a novice at this, so I may be missing something or possibly misunderstanding?
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