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Archive 2011 · The medium format image thread

  
 
Makten
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p.6 #1 · The medium format image thread


Morfeus wrote:
I scanned two rolls 135 Ektar 100 yesterday. The slight green cast is on every frame from 72 frames. But this is easily correctable with the white balance in LR/ACR (see my last post in the Leica thread).

Martin, I do not know the Epson software, but do you have the possibilty in scanning 48bit RGB tiffs with NO auto-something, just negative to positive conversion and setting the white and black point manually for every frame?


I don't know. The conversion from negative to positive has to have some automagic going on to get rid of the orange film base color, so probably that's where it goes wrong. I know you can do it manually, but it seems to be a real PITA: http://www.luminous-landscape.com/techniques/scanning_colour_negatives_raw_or_not.shtml



May 29, 2011 at 01:42 PM
Morfeus
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p.6 #2 · The medium format image thread


No Martin, I do not talk about the automatic negative/positive conversion in terms of film base. I mean things like white balance, white and black points, exposure, gradiaton curves etc. For sure there is some automatic profile that can be switched of. It is much better to do those things in LR/ACR/Photoshop. Scanning RAW is really a PITA, but I don't mean that.

Do you have a link to the manual of your scanner?



May 29, 2011 at 02:37 PM
Morfeus
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p.6 #3 · The medium format image thread


found it:

http://files.support.epson.com/htmldocs/prv7ph/prv7phug/scan2_4.htm

You are in "Full Auto Mode" right? " What you want is wether "Home Mode" or, better "Professional Mode".

In "Adjustments" you have the buttons an dialogs you need:

http://files.support.epson.com/htmldocs/prv7ph/prv7phug/images/ver542.gif



May 29, 2011 at 02:44 PM
Makten
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p.6 #4 · The medium format image thread


No, I'm in "professional mode", but I use the auto-button (top left under "Adjustments"). The "color restoration" option is involved somtimes, and I suspect that it f*cks up everything.
I'll do some research before I scan the next color roll, which currently is in the camera. But first some FP4+ that I shot today, that's hanging to dry right now.



May 29, 2011 at 03:04 PM
Tariq Gibran
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p.6 #5 · The medium format image thread


Makten wrote:
I was in the other end of town. Not one single shot from the marathon either. I really, really hate to shoot among people.

The shots from the lake (with the small tree too) was in very warm, late afternoon haze. The "dusk" shot was obviously shot at dusk!

How do you use the scanner software? I run it in some sort of auto-everything mode, but I usually lower contrast a bit since it wants to clip the highlights too much.

I can see the same thing in my Ektar shots: http://www.flickr.com/photos/makten/sets/72157626655742000/
...so I doubt it's the film. But some
...Show more

I use it in "professional" mode but generally, the "auto exposure" adjustment gets it right. If its not exactly what I want, I tweak the tone correction and possibly the histogram adjustment. If I make any other adjustments after these, it's usually in PS.

One thing about scanning color negs is that the histogram will appear that you are clipping a lot at both ends. That's normal and if you attempt to capture all that extra information, wacky things will happen with your color. That might be what's going on with your scans. You might try a test where you scan without making your histogram adjustments and see what the color looks like. Most of what is being clipped is not actual image information but film base stuff.

Here is a straight scan with no adjustments made in the pro mode. Film is Kodak 160VC shot with my old Rolleicord.

http://www.gibranstudio.com/pool1.jpg

This is after minor contrast/ color tweak in PS:
http://www.gibranstudio.com/pool2.jpg



May 29, 2011 at 03:07 PM
Morfeus
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p.6 #6 · The medium format image thread


I would definately hit "Reset" then, before the next scan and never ever touch ROC. ROC is evil for new slides or negatives.

After resetting I would guess that all you need is the histogram if that is ajustable to control black and white points and do everything else in ACR.



May 29, 2011 at 03:10 PM
Tariq Gibran
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p.6 #7 · The medium format image thread


The color restoration mode can definitely screw things up.


May 29, 2011 at 03:13 PM
Makten
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p.6 #8 · The medium format image thread


Tariq is probably right; the clipping adjustments will screw color balance! But I haven't done that with my first color rolls, and they are also a bit off.
Now, if I don't do anything with the clipping, the contrast is way too high, so I don't know how to deal with this.



May 29, 2011 at 03:16 PM
Morfeus
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p.6 #9 · The medium format image thread


I think in general most people think, that they should get an almost perfect image out of the scanner. That attempt screws everything up. A good scan looks totally boring, comparable to a raw file from a digital camera. Thats fine, cause all the information is in the file, nothing clipped or distorted by the mediocre PP features of the scanning software.


May 29, 2011 at 03:18 PM
Morfeus
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p.6 #10 · The medium format image thread


Most probably the Epson software "remembers" some weird settings. Therefore reset is your choice, Martin.


May 29, 2011 at 03:19 PM
Makten
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p.6 #11 · The medium format image thread


Morfeus wrote:
I think in general most people think, that they should get an almost perfect image out of the scanner. That attempt screws everything up. A good scan looks totally boring, comparable to a raw file from a digital camera. Thats fine, cause all the information is in the file, nothing clipped or distorted by the mediocre PP features of the scanning software.


I know, but I don't know how to get that boring file that I would really want. When I scan B&W, I do it as a color positive which gives me exactly (or close to) what the scanner sees. But with color negatives, I have to rely on the software.



May 29, 2011 at 03:22 PM
Tariq Gibran
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p.6 #12 · The medium format image thread


I think the Epson software performs an auto exposure correction with each preview.


May 29, 2011 at 03:23 PM
Makten
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p.6 #13 · The medium format image thread


Tariq Gibran wrote:
I think the Epson software performs an auto exposure correction with each preview.


Yes it does, but if you use the zoom option, it works pretty good regarding the exposure. Colors is a different story, apparently.

---------------------

How about some pictures in this picture thread? Two from a few rolls back; very expired Ilford FP4+ developed in Fomadon R09 1:40 (13 minutes and agitation once a minute) with the 105/2.4 on P67II. Both at f/4 and handheld as usual.


Wheel by Martin Hertsius, on Flickr



Fuses by Martin Hertsius, on Flickr


The 105/2.4 is such an amazing lens. The distortion is ZERO, zip, null.



May 29, 2011 at 03:37 PM
Tariq Gibran
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p.6 #14 · The medium format image thread


Makten wrote:
Yes it does, but if you use the zoom option, it works pretty good regarding the exposure. Colors is a different story, apparently.

---------------------

How about some pictures in this picture thread? Two from a few rolls back; very expired Ilford FP4+ developed in Fomadon R09 1:40 (13 minutes and agitation once a minute) with the 105/2.4 on P67II. Both at f/4 and handheld as usual.

http://farm3.static.flickr.com/2029/5772782411_929b188d0b_b.jpg
Wheel by Martin Hertsius, on Flickr

http://farm4.static.flickr.com/3484/5772782839_165d186207_b.jpg
Fuses by Martin Hertsius, on Flickr

The 105/2.4 is such an amazing lens. The distortion is ZERO, zip, null.


Nice Tones!



May 29, 2011 at 04:04 PM
Morfeus
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p.6 #15 · The medium format image thread


Very nice, Martin!

Some from Ethiopia, Rolleiflex T, Velvia 50




Believer, Bet Medhane Alem Church, Lalibela, Ethiopia by pictorlucis, on Flickr




Children, Bet Medhane Alem Church, Lalibela, Ethiopia by pictorlucis, on Flickr




Believers, Bet Medhane Alem Church, Lalibela, Ethiopia by pictorlucis, on Flickr




Believers, Bet Medhane Alem Church, Lalibela, Ethiopia by pictorlucis, on Flickr



May 29, 2011 at 04:31 PM
weezintrumpete
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p.6 #16 · The medium format image thread


Those are stunning, especially the first!


May 29, 2011 at 05:07 PM
Morfeus
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p.6 #17 · The medium format image thread


Thank you, weezintrumpete!

Heinz



May 30, 2011 at 01:47 AM
weezintrumpete
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p.6 #18 · The medium format image thread


Thanks guys for the comments. I was proud of that one

Here's another, this time with the Bronica ETRS, 75/2.8, Portra 160NC:


Claire by patricklikeslight, on Flickr



May 30, 2011 at 09:14 AM
Morfeus
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p.6 #19 · The medium format image thread


Also fabulous, Patrick!


May 30, 2011 at 09:16 AM
Makten
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p.6 #20 · The medium format image thread


From a motor show yesterday. Pentax 67II with 55/4 and 105/2.4...


155 by Martin Hertsius, on Flickr



Bugatti by Martin Hertsius, on Flickr



Veritas by Martin Hertsius, on Flickr



BSA by Martin Hertsius, on Flickr



Frogeye by Martin Hertsius, on Flickr



May 30, 2011 at 04:47 PM
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