mrladewig Offline Upload & Sell: Off
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east wrote:
@ kidtexas:
i tested my digital setup (canon 40d, nikon 55mm ais macro lens) vs. an older coolscan, a LS-30.
with a negative 200 iso film the nikon was a tiny bit sharper, but next to undistinguishable. and only if compared side to side and at 100% view. dont forget: a 40d has only 10MP.
Things have come a long way from the LS30 and there are films much better than any ISO200 C-41. Film like Kodak's Gold 200 probably is limited to about 10MP of detail. Films like Provia, Velvia 50 and TMax and probably a fair number of the Pro ISO160 color negative films can go way past 20MP, but they cost 3X as much. Also, don't blame the scanner if you couldn't get the colors from the film. It takes time to learn scanning software. It isn't like photoshop and getting it wrong in the scan might be wrong enough that you can't get it back in photoshop either.
I'll freely admit that the LS-4000, LS-5000 and LS-50, even with their ED glass do not have total edge to edge sharpness. It does taper towards the edges of the frame, but the LS-4000 and newer were a major jump up from the earlier efforts. There are better scanners on the market though.
There are a number of technical problems when using a camera for copy, but it has been done for a long time. The starting issue is keeping the film flat so that it can all be in focus. This can be a real problem with scanners too, but there are wet mounting options to address this. The second is keeping good even illumination across the film at the correct viewing color temperature. Third is the lack of digital ICE. I've got better things to do than spend hours cleaning dust from 35mm frames.
That's just my take on the matter
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