johnclinch
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Posts posted by johnclinch
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I have to say that I haven't needed a custom profile for kodachrome, but have had problems with velvia
you may find this thread useful
http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00EqNz&tag=
I post picture of the same slide with different profiles
the first greener one has a velvia profile applied
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I have suceeded scanning velviaith my minolta 5400, infact I have had some great results, but its been alot of work
I can now work fairly quickly using a custom scanner profile I got free from ethervision http://www.ethervizion.com/lost_found/
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One answer is to save the raw file as a tiff with no profile at all ( unassigned colour numbers).This is saved and archived
Then apply the scanner profile when you open the file in cs2
You could the say prepare files for screen use (conert to srgb)
print files could be generated from the archive tiff
personally I find I'm fine with srgb for printing so just use srgb
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Please note!
I own a fast focusing panasonic fz5. But all this fast focusing snappy shutter response misses the point.
My camera like a F11 has no true viewfinder.
So although shutter response is fast you are working from a screen/evf that has quite a lag from reality. So when an event occurs on the screen, it actually was long enough in the past for you to have no chance of catching it.
So you need a view finder
maybe a canon a610/1620
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The perfect TC doesn't degrade the image, it magnifies the image from the main lens. So roughly speaking a perfect x 2 TC will give half the resolution of the main lens.
A real world TC might introduce its own degradation as well.
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The scientist answer
shoot identical shots at 5 mP AND 8 mP
print them
compare them
only your opinion counts
(The catch is if you find a better printer later or want bigger prints)
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How aboy picture window pro
www.dl-c.com
Its pritty functional
Its not better value than CS but is aloy cheaper but I preferred it to ACDsee pro
all 3 have 1 month free trials
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Yes it appears so
I haven't used for a while
In the end I had to have ICE
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You have my sympathy!
Try this its not perfect but its free and faster than simple clonning by hand
http://www.polaroid.com/service/software/poladsr/poladsr.html
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Try picture window pro for a month free
No plugins but full colour management and fully 16 bit
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Slide scanners are calibrated be photographing standard colours (a colour chart)
Therefore when making a profile we know what the colours in the real world are.
Your problem is comparing a photo and a sepetate target
If the target was in the photo it would be alot easier
Are you trieing to achieve an exact reproduction of the photo or the scene in the photo?
If you'r reproducing the photo calibrate to a grey wedge thats a photograph
I have to say as a farly inept slide scanner colour balance is rarely the thing I find hard (90 % of my slides are Ok with a white point set in rgb curves)
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Tom's point is that If the step wedge is not a photograph
it will respond differently
My hunch is that the grey wedge is actually reflecting rhe whole of the spectrum that shines on it. Thus under say sun light it looks neutral.
A grey in the photo may look the same but probably doesn't reflect the whole spectrum. However it does reflect what your eye sees as an equal mixture of red green and blue light.
However the red green and blue detectors in the scanner will not respond in exactly the same way as the detectors in your eyes. For example the wavelenth of peak sensitivity of the red detector in you eye and scanner may not be the same. So perhaps your scanner is more sensitive to the red light from the photo than your eye. Thus the scanner sees as red what you see as grey.
This doesn't happen to the target because it reflects the full spectrum, so the exact features of the detector are less important.
OK I just made all that up, but it was my understanding of the above posts. I teach physics and I'm not really a photohrapher. I'm constantly amazed by everything I read about colour and colour vision
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Mendel are you saying you use vuescan for levels and cropping etc.
What advantage does this give over a phote editor like photoshop?
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Ok no idea
Did you try setting part of the wedge as neutral in vuescan (I unerstand this just a click)
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Thanks or contributing. Its good to get imfo on a wider range of products.
I have to comment that it must be worth scanning at a lower resolution (or down sampling). You HD must be full of 1 and 0 describing noise.
I mainly scan at 2700 ppi
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Now I understand
Sorry no answer.
In the uk this company do what you want online
I think your clients could work on dialup with this service. It allows fine tunung of cropping on low resimages
You just need an Australian version of the same thing perhaps
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Im a happy fz5 owner
The S2 does the Canon pumped up colour thing very well, if you like that sort of thing
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Ok I'd try a few things like:
Have you got "word" or another wordprocessor. You should be able to set a picture on a blank page and get out pritty much whatever you want. This should at least isolate where the problem.
Yes you need a photo editor
"The Gimp" is free, google for it
I like and use "picture window pro" www.dl-c.com to download a 1 month free demo
Tutorials here (and one is included with the programme)
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My experience
If you use a mini lab you'll learn nothing
I took some birds flying across sunset
It came back white balanced so the sky was grey. Exposed so the blacks were also grey
Shoot slides then you'll know whats going on. Provia 400F is fine if you need speed
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I'm not quite sure what you mean
However Xnview does batch resize and is free
Or do you mean have a crop tool that will crop to a specific size and resize to a specific resolution.
I use picture window pro for this but it doesn't do batches (http://www.dl-c.com/ free 1 month trial). I assume that photoshop does this but as I'm not a regular user so I'm not sure.
But to be honest I can't imagine doing a batch crop
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My hunch is that anyone who can really print black and white will learn enough PS (or a similar programme like PWP, see the articles here http://www.normankoren.com/makingfineprints.html ) to develop a shot fairly quickly.
I think the main issue is to find a course/ book that teaches you what you want to know. The problem being that so much is a general intro to to digital graphics. My hunch is that you don't need to cut holes in your pictue the same shape arial fonts.
You only really need a few tools to achive what you want
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Lots of scanning is a big deal
IMHO even if you get a fast scanner with automation each scan will need some attention
My scanner is slow but the bottle neck is me cropping and doing levels etc.
I compromise on scanning only "good" shots
start reading up on stuff
maybe here
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Thanks that helps reasure me about the future. I almost always scan to file anyway.
Not happy with Nikon 70-300 for raptors in flight
in Nature
Posted
This is a recomendation purely based on internet research but it sounds like the sigma 100-300 f4 zoom may be the answer
http://www.fredmiranda.com/reviews/showproduct.php?product=103&sort=7&cat=37&page=1