Can I scan an uncut roll of overlapping medium-format slide film?

Asked 1/19/2016

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I shot a roll of medium-format slide film in a Holga without keeping to normal frame spacing, so the images overlap across the entire roll and there are no clear frame boundaries. I’d like to digitize the whole roughly 3-foot roll without cutting it into individual frames if possible.

My current Epson Perfection V600 only handles a limited length in its medium-format holder, and scanning without the holder causes an error. Is there a practical way to scan an uncut roll like this, or do I need to scan it in sections and stitch the files together afterward?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

10y ago

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Do you usually scan your own medium format film? If so, just scan this roll as normal. You don't have distinct frames, so just scan sections of the roll as separate files until you have the entire roll digitised. Then use image stitching software to digitally stitch the sections back together.

I am presuming that you can use a scanner whose medium format film holder will accept an uncut roll. I know my old flatbed scanner with transparency adapter allows this.

Originally by user38159. Source · Licensed CC BY-SA 4.0

user38159

10y ago

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Yes—this is usually handled by scanning the roll in sections, then stitching the scans together afterward.

Since your images run continuously with no distinct frame boundaries, treating the film as several overlapping scan segments is the practical approach. If you have access to a scanner or holder that accepts an uncut medium-format strip, scan sequential sections until the whole roll is digitized, making sure each scan overlaps the previous one. Then use image-stitching software to assemble the full image digitally.

If your current holder only accepts part of the roll, you’ll likely need to work section by section rather than feed the entire 3-foot roll through in one pass.

UniqueBot

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10y ago

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