How do you do that?Alan, I know it's not what you asked, but if you want to save money for film, I can tell you that Microsoft ICE is free and pretty much automatic. It will stitch together two passes from your v600. I have a v550, and it works great.
Someone here recommended ICE to me, and I am glad. If I shot 4x5 more frequently, I might want to upgrade scanners. But for the amount I shoot, I am happy with this solution.
I currently have an Epson V600 using it for medium format. However, I'm moving into 4x5 large format. Can anyone give a brief analysis on scanners available. I guess I'm looking at the Epson 850 pro and 850 photo. Others?
How large do the scans need to be? I use a digital camera, a tripod, white backlight and a glassless 4x5 negative holder. I can get a 50 megapixel scan with one shot, no stitching.
I put the film flat on the glass and scan one half, then the other half. Then I simply open up ICE and select both of the files I just scanned and click through the steps. It is automatic. It lines them up and stitches them into one file. It works surprisingly well.How do you do that?
I have an old Epson V750. I've scanned 4x5 infrequently. Better Scan carriers make my film scans much sharper. They are harder to use than the Epson film holders, but worth the extra trouble. The Better Scan carriers requires taping and masking.I currently have an Epson V600 using it for medium format. However, I'm moving into 4x5 large format. Can anyone give a brief analysis on scanners available. I guess I'm looking at the Epson 850 pro and 850 photo. Others?
I have an old Epson V750. I've scanned 4x5 infrequently. Better Scan carriers make my film scans much sharper. They are harder to use than the Epson film holders, but worth the extra trouble. The Better Scan carriers requires taping and masking.
Wow that's great. There are always improvements that give you the upgrade itch.The new v
V800/850 new holders have an AN glass, if film curled up then the ANR keeps it quite flat. Also those holders can have height adjusted.
Wow that's great. There are always improvements that give you the upgrade itch.
but calculate how much of those 50 MPix are effective: http://www.takinami.com/yoshihiko/photo/lens_test/USAF.pdf
and also think that the Epson has ICE, which corrects dust and scharches from an IR image (specially effective for color film), this saves a crazy amount of manpower.
DSLR is today a good choice, and if stitching you may obtain insane performance, (I measured 9000 dpi effective with a reversed enlarger lens) but it also has drawbacks: focus, alignment, color calibration, dust and stitching.
For high res work, I use my S1R.
I agree ICE is worth it but in my usage ICE on an Epson scanner is poorly done, and results in image degradation.
For high res work, I use my S1R.
Ii would be great if you could print that chart ( http://www.takinami.com/yoshihiko/photo/lens_test/USAF.pdf ) and post crops of center and corner, then we would be able compare.
If making shifts of entire pixels then not much resolving power is added, but shift can be subpixel, and if photosite is smaller than pixel then there is room for super-resolution effect, so best would be you shot that chart, if you post a low res of the entire shot with a 100% crop of the critical elements then effective resolution can be easily calculated.
Probably the SR1 may take a better scan of 35mm film, but I doubt that it can surpase the 240MPix effective the V850 extracts from a 5x7" negative.
Not at all !!! the ICE only modifies the places were Infrared channel shows dust or scharches ! the rest of the image is left absolutely intact. Were you were told that ?
See the train image: https://www.silverfast.com/highlights/isrd/en.html only the detected dirt (in red) is modified.
OK, me I'm very happy with the V850,
if you want to know your effective resolution just post those shots of the chart and I'll tell you. The Epson extracts 135 MPix effective from 4x5" and 240MPix from 5x7". If the SR1 is able to get that effective resolution with a single shot...
Of course with a DSLR you always can stitch crops... in that case you may outresolve the epson for LF, for sure...
The V series scanners are very good with larger formats, I agree. But my way of working works for me. It's fast, high quality, and versatile. Even Sandy King (the guy who developed Pyrocat HD) is currently scanning a 5x7 portfolio this way: https://www.largeformatphotography....-VS-my-current-DSLR-(5DII)-VS-Lab-Scans/page4
Without a doubt, drum scans knock the socks of DSLR's.
Wish I knew about Microsoft ice back when I had my 4x5 pinhole- I used "hugin" which was an enormous pain to stitch photos. It got there in the end but it wasn't a very straight forward process.Alan, I know it's not what you asked, but if you want to save money for film, I can tell you that Microsoft ICE is free and pretty much automatic. It will stitch together two passes from your v600. I have a v550, and it works great.
Someone here recommended ICE to me, and I am glad. If I shot 4x5 more frequently, I might want to upgrade scanners. But for the amount I shoot, I am happy with this solution.
Another and more important detail, the created raw files have way more malleable with shadow detail that remains far cleaner when pushing.
I don't really have a use for my v800 anymore.
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