photography, Tips and Technique

Rochester & Southern—Example of a Multiple Pass Scan.

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This morning working with a Nikon Super Coolscan5000, I scanned this vintage Kodachrome 25 color slide.

This is a scaled version of the original scan without post processing color or contrast adjustment.

I used Hamrick’s VueScan software which allows me considerable control over the scanning process.

This has the ability to make a multiple pass scan that can obtain greater detail from highlight and shadow areas by scanning the same image several times and combining the scans.

It has a color setting specifically tailored to Kodachrome film and allows white balance fine-tuning.

VueScan work window for controlling color and exposure during scanning. Notice that I’ve used the Kodachrome profile.

VueScan Input control window where I have selected ‘Fine mode’, 3 samples, and multiple exposure features. I outputted the scan as Tif file at 4050dpi, then scaled in post processing for internet presentation.

This is a much enlarged section of the unadjusted raw scan (scaled for internet).

In post-processing, I used Lightroom to make fine adjustments to improve color balance and contrast before scaling for internet presentation.

I made the original photograph on April 19, 1989, showing a northward Rochester & Southern freight with former New York Central GP40s crossing a road at Scottsville, New York.

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