Fun With Scanning 30 Year Old B&W Film - Single Scan HDR
Ryan
Right side is a special colour scan of a B&W negative, the middle is a normal scan plus some dodging and burning. The right-side is a HDR image obtained with the 48bit colour left-side image. The right side is scanned in 48 bit colours where the individual RGB channels are adjusted for gain, offset and gamma via the histograms utilizing the epson software prior to scanning in this case the green channel is normal exposure the red is -1.5 stops under exposed and the blue is +1.5 over exposed. After the scan the RGB channels are separated into 3 monochrome channels which can then be processed with HDR or tone mapping software. Remember this is very old film most fresh film such as tmax should have a lot more dynamic range
Fun With B&W Film - How To Do HDR From A Single Scan.
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