Old 02-17-2009, 11:24 PM   #1
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Default Too much or too little?

I got a bad color rejection:
http://www.railpictures.net/viewreje...&key=689722323
Too much or to little? Any other observations welcome.
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Old 02-17-2009, 11:38 PM   #2
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Your snow is blue... so I would say too much.

I think what threw you is that the front unit's paint is quite faded.
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Old 02-18-2009, 12:09 AM   #3
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Your snow is blue... so I would say too much.

I think what threw you is that the front unit's paint is quite faded.
Or blueish green, You Monitor maybe off?
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Old 02-18-2009, 12:42 AM   #4
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no, I agree with Freericks. It looks blue. Of course, it's easy to fix if you have photoshop, just reduce the blue channel a bit.
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Old 02-18-2009, 12:47 AM   #5
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Edit. I just desaturated the cyan channel a bit.
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Old 02-18-2009, 08:06 AM   #6
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Quote:
Originally Posted by Freericks View Post
Your snow is blue... so I would say too much.

I think what threw you is that the front unit's paint is quite faded.
Get that color corrected and once the shot is submitted, add something in your comments about that dead critter (raccoon?) dead center () in front of the snowplow, and you'll have about 2000 hits and Tof24...
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Old 02-18-2009, 05:14 PM   #7
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Edit. I just desaturated the cyan channel a bit.
I don't like that fix because you lost the color in the sky. Adding a warming filter to the shot is a better solution.

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Old 02-18-2009, 05:19 PM   #8
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Warming filter +15, cooling filter +5, R & B Levels adjusted. Saturation +5.
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Old 02-18-2009, 09:29 PM   #9
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Originally Posted by Andrew Blaszczyk (2) View Post
Warming filter +15, cooling filter +5, R & B Levels adjusted. Saturation +5.
Ah, the joys of photoshop - you can go at every problem from ten different angles. I'm a big fan of setting my white point someplace in the snow and seeing how that works, and then going from there, since, hey, at least you know what "color" you want your snow to be (not yellow, I hope) on a sunny day.
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Old 02-19-2009, 12:34 AM   #10
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Thanks everyone. I don't have photoshop, so I'l have to hack it out with Irfanview...
I was using a polarized filter for this picture, do you think that is what caused the colors to be off?
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Old 02-19-2009, 01:07 AM   #11
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Thanks everyone. I don't have photoshop, so I'l have to hack it out with Irfanview...
I was using a polarized filter for this picture, do you think that is what caused the colors to be off?
Yes, polarizers usually do add a small bit of blue- it isn't a graduated polarizer is it?
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Old 02-19-2009, 01:09 AM   #12
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Yes, polarizers usually do add a small bit of blue- it isn't a graduated polarizer is it?
James, please define "graduated polarizer."

Thanks.
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Old 02-19-2009, 01:15 AM   #13
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James, please define "graduated polarizer."

Thanks.
You, I and everyone else knows that he's on Google trying to find the definition.
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Old 02-19-2009, 01:35 AM   #14
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You, I and everyone else knows that he's on Google trying to find the definition.
No, I am not Steven. Graduated polarizer is like a normal graduated filter. Half polarizer, half clear, normal...
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Old 02-19-2009, 01:39 AM   #15
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...is like...
Anything with 'is like' I don't consider a definition. Don't see that in Websters.
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Old 02-19-2009, 01:41 AM   #16
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No, I am not Steven. Graduated polarizer is like a normal graduated filter. Half polarizer, half clear, normal...
Now, I've heard of (and used) graduated ND filters before, but are we sure about a grad polarizer? esp on a circular (last fifteen years or so) metering system, that could play some real havoc on the exposure. I'm assuming what you're talking about would have to be a linear polarizer in a Cokin-like holder?
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Old 02-19-2009, 01:43 AM   #17
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No, I am not Steven. Graduated polarizer is like a normal graduated filter. Half polarizer, half clear, normal...
Any idea where I can purchase one of those? I'm not having any luck finding one with a google search.
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Old 02-19-2009, 01:44 AM   #18
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I'm assuming what you're talking about would have to be a linear polarizer in a Cokin-like holder?
Yep. Square filters are always the way to go...
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Old 02-19-2009, 02:16 AM   #19
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http://www.railpictures.net/viewphot...=272466&nseq=0
Thanks everyone!
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Old 02-19-2009, 02:24 AM   #20
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Nicely corrected. Congrats!
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Old 02-19-2009, 02:37 AM   #21
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Yep. Square filters are always the way to go...
Still waiting on a link to purchase that graduated polarizer, James.
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Old 02-19-2009, 03:27 AM   #22
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Quote:
Originally Posted by f.18 View Post
Graduated polarizer is like a normal graduated filter. Half polarizer, half clear, normal...
Quote:
Originally Posted by capwell View Post
Now, I've heard of (and used) graduated ND filters before, but are we sure about a grad polarizer? esp on a circular (last fifteen years or so) metering system, that could play some real havoc on the exposure. I'm assuming what you're talking about would have to be a linear polarizer in a Cokin-like holder?
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Yep. Square filters are always the way to go...
The Cokin linear polarizer is round - makes it easier to rotate to get the appropriate degree of polarization.

http://www.cs.mtu.edu/~shene/DigiCam...n-Systems.html

I've never heard of using a polarizer on only part of an image and I've never heard of a square polarizer filter that one puts into a Cokin-style holder and moves up and down.

Apparently Jim hasn't either.

It sounds absurd.
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Old 02-19-2009, 03:29 AM   #23
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The Cokin linear polarizer is round - makes it easier to rotate to get the appropriate degree of polarization.

http://www.cs.mtu.edu/~shene/DigiCam...n-Systems.html

I've never heard of using a polarizer on only part of an image and I've never heard of a square polarizer filter that one puts into a Cokin-style holder and moves up and down.

Apparently Jim hasn't either.

It sounds absurd.
Come on, J, give him time to respond. He's probably combing the internet right now searching for the elusive graduated polarizer....
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Old 02-19-2009, 03:35 AM   #24
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Come on, J, give him time to respond. He's probably combing the internet right now searching for the elusive graduated polarizer....
Graduated with what kind of a degree?
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Old 02-19-2009, 04:45 AM   #25
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Graduated with what kind of a degree?
BS, maybe?

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