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Copying color negatives with camera

Started Oct 13, 2014 | Discussions thread
OP AdHoc007 Contributing Member • Posts: 657
Re: Copying color negatives with camera

Luisifer wrote:

Nice to read that my thoughts are going in the right direction. See thread with a smaller digitization project here:
http://www.dpreview.com/forums/thread/3680724

It is about larger formats but it is still the film material (bw, color inv, color neg, doesn't matter).

My maximum will be macro 5:1 (about 20 kDPI) with the assumption of the resampling to the 4 kDPI. 25 times smaller resolution as the result versus initial digitizing.

Expectations are not only about details in drawing but higher bit depth result (in the best case in some larger color space). Especially so big hight bit dept that resampled result will be better than RAW format from any of the DSLRs.

I wouldn't be able to obtain a 5:1 ratio unless I use a 28mm prime lens on my bellows. I wonder if corner sharpness will be an issue? I use Minolta SR lenses. The only other issue I can think of is that on some of my pictures I have blue sky with no clouds, which might be a problem for a stitching program.

I recently inherited a large collection of family slides and negatives from my grandfather. I haven't had the opportunity to go through all of them but I know that some are medium format, others are larger about the size of a 4x5 index card. A 5:1 ratio just sounds like too much effort to do for large negatives.

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