Batch Scanning with VueScan: Help Needed

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bwcolor

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I'm once again working with the Epson V-750 Pro. I shot some Neopan 1600 at my youngest daughters dance performance. The 35mm / 24 frame film holder, when used in batch scanning mode, will only recognize the well lit frames. Regardless of the settings used, I can't get it to recognize the frames with large dark areas. When I outline a particular dark frame, the frame is lost when I do the next. Dark frames never seems to acquire a frame number. I don't recall having this problem with brighter images. I'm open to suggestions. thanks..
 
I use Vuescan with a Minolta Dimage 5400 (35mm) and a V-750 Pro (although, far less experience with the latter combination). I've used the V-750 Pro/Vuescan and 35mm color film with the batch scanning a couple of times, and it worked. IIRC, it was a little wonky--not perfectly full frame. When I used to scan all of my 35mm on an Epson 4180, I would run into the same problem you describe.

It might just be a flatbed/Epson thing. It used to frustrate me as well, because I always thought that batch scanning was hard-coded (stop position, end position, etc.) and accomplished by positioning (step motor counts, etc.). It never made sense to me why I would have to scan darker frames singly/manually.

🙂
 
>>will only recognize the well lit frames<<

Autocropping is basically a guess by the software and the guess/algorithm is often fooled. This is especially true when there isn't much difference in contrast at the edge of the image between the image itself and the non-image area of the film.

Going into professional mode and then manual cropping is what most people do and is usually faster overall since you know you won't need to do the inevitable rescans that would be due to cropping errors.

Doug
 
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I'm not trying to auto-crop... never have. I am manually trying to outline the crop area in each of the 24 frames. Upon doing so, the software will not recognize the manual cropping, except in frames that it already recognizes. Perhaps I'm doing this wrong. I assume that batch scanning must be on to do this. With batch scanning off, it won't allow me to choose multiple frames. When it is on, it only will let me manually setup frames that it already recognizes.
 
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