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"Professional scan" comparison

A project log for 35mm Flim Negative Scanning

Rig and technique for digitizing 35mm film negatives.

stephen-holdawayStephen Holdaway 01/11/2019 at 06:360 Comments

As a follow-on from the last post, I took the tortoiseshell cat negative to be scanned professionally at a local business. After a week of waiting, I eagerly went to pick it up today - they'd sent it to a different location to do the super-high resolution scan, so the wait was longer than usual.

According to the EXIF data, the scan was made with a Fuji SP-3000, which is a fairly well regarded piece of equipment. I held my breath and opened the file, ready to be blown away by a superior scan...and was pretty disappointed:

"Super-high resolution" 35mm film scan from Wellington Photographic Supplies (WPS)
19MP scan from a local store. Click for full-size original (6MB) For reference, here's the full-size DSLR scan (10MB)
Wellington Photographic Supply Fuji SP-3000 scan.
Noritsu Koki QSS scan from 2002.

I'm not concerned with the different colour - the original image has a strong yellow cast from the sunset, so it was probably corrected automatically or manually with good intent. The problem is that while this image looks alright scaled down, at 100% it's lacking a lot of detail compared to the DSLR scan:

Fuji SP-3000 (left) lacks detail compared the DSLR scan at a similar resolution (right)

I initially thought this might be partly caused by JPEG compression as the file provided was only 6MB, but had to save my DSLR scan at 0% JPEG quality to get a similar looking result:

Left: 100% JPEG quality DSLR scan. Center: same image at 0% JPEG quality. Right: image from store.

What next?

I've contacted another local store that I've seen decent scans from in the the last few years when getting film developed. I'll take this same negative in to be scanned tomorrow and see if we can get a better result from them.

Continued in "Professional scan comparison (part II)".

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