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"Sigma SD1 Merrill not good for scanning negatives/slides"

Started Sep 10, 2018 | Discussions thread
OP DrTebi New Member • Posts: 16
Re: "Sigma SD1 Merrill not good for scanning negatives/slides"

Are you stitching 35mm? I couldn't see any improvement over single images with the sdQH. Medium format film is a different matter and certainly needs stitching to get crisp grain on silver negs.

I have tried some stitching of 35mm with the Pentax K-1, but couldn't really see any improvement. This may have been due to the fact that I had to use extension tubes, and mine don't have electronic contacts—hence I had to focus manually, which is difficult even with the live view.

I still need to try some 35mm stitching with the Sigma SD-1M.

By the way, the "Pixel Shift" feature of the Pentax K-1 can also come in handy for scanning negatives or slides. I could definitely observe more detail in a single-shot medium format slide, but it also introduced some weird artifacts, which I could not see in the same image when stitching.

By the way, what strategy have you used for converting negatives to positives? Normally "ColorPerfect" gives me some quite acceptable results, but for some reason it does not with images from the SD-1.

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