Hi Ken,
Thanks for the confirmation. Guess I'm off to buy a whopping big external
hard drive (well, 2 - got to have a backup !).
I'm intrigued by your thoughts on DNG vs TIF. I went for DNG as that is
what I save my e330 files to on import to LightRoom. However, thinking
about it, my logic there is that there is a backup of the .orf file kept
elsewhere and I also embed the .orf file in the .dng - so I can always get
the .orf file back if I need to. Tried that with a .dng from VueScan and it
says there are no embedded files. Looks like I am at risk there from the
DNG file format. My experiments seem to show that when you ask VueScan to
save the file as RAW, it saves this as a TIF anyway - so what is the
difference in just saving it as TIF (assuming I leave all the Colour &
Filter settings alone) ? Is the "RAW" TIF, as the name implies, just the
RAW data from the scanner - but the non-RAW TIF has had some adjustments
done ? That would tie in with the exposure differences I have seen so far.
What started off as a simple "what resolution and bit depth is good enough"
question has quickly become so much more ! Thanks guys - I am learning more
here than I have playing with VueScan, the Minolta, and LightRoom.
Thanks,
Jon
-----Original Message-----
From: Ken Norton [mailto:ken@xxxxxxxxxxx]
Sent: 14 January 2014 22:04
To: Olympus Camera Discussion
Subject: Re: [OM] Scanning Question
I agree with Tina. Scan the snot out of those slides. You may never do
it again. Contrary to popular belief, a 2700dpi scan is NOT getting
everything off of the slides and negs. If this was true, then 5-6MP
cameras should all be what is necessary from our digital cameras.
Logic says to get everything possible from the scan and do your
downsizing in software IF necessary.
Also, one thing that might be of interest. If you scan at the maximum
resolution and on the Filter Tab, select Light Grain reduction, the
files will resize downward better. Be careful with it as it will muddy
stuff up sometimes, but I'm finding that it is giving me a CMOS
digital camera look. But, there is a trick here...
Maybe I will spit out some samples from the Nikon.
As to using DNG for save mode, I'm a little ambivilent about that. DNG
is effectively TIF in the way that Vuescan works. Like it or not, DNG
is still not a universal standard. The twist to this is that if you
save the raw scan, it pretty much ignores the settings on the Filter
and Color tabs. If you open the file (Source on the Input tab) you can
reprocess the image using the secret sauce built into Vuescan.
AG
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