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DPChallenge Forums >> Tips, Tricks, and Q&A >> Consistency of photos
Showing posts 1 - 8 of 8, (reverse)
09/04/2007 04:27:51 AM · #1
So heres the scenario....

You have a load of different photos, different lenses, different focal lengths, differnt ISOs etc and you want to process them all. A simple elegant convert to B&W with the channel mixer and monochrome. A little tinkering to get each of the photos as nice as possible.

So heres the problem.....

Each photo is subtly different (a little lighter, more contrast etc), easy to fix if you're only comparing 5 or so images. However, on a 100+ is turns into a bit of a nightmare.

And finally a question.....

Is there a photoshop trick / tip that can compare these b&w photos and try and achieve a consistency on photo, or will this just have to be a manual process?

many thanks

Message edited by author 2007-09-04 04:29:57.
09/04/2007 08:45:50 AM · #2
bump for America
09/04/2007 08:51:52 AM · #3
There is a utility called Tone Hacker (Luminous Landscape post with info/examples) Could this help?

Download software here by clicking on [DESCARGAR TONE HACKER V1.2] on the top right of the page.

Message edited by author 2007-09-04 08:59:53.
09/04/2007 04:17:49 PM · #4
Thanks for this....it appears to only work if you have an element of colour in your photo not if you're trying to make b&w's consistent.

Any other ideas anyone or an I just misusing the tool....

09/04/2007 11:37:58 PM · #5
Bump because I'm interested too.
09/06/2007 01:51:27 PM · #6
someone else must have some other hints or tips......
09/06/2007 02:02:43 PM · #7
I learned this from Pedro.. You can create a duotone (or tri or quad), first go to Image/Mode/grayscale, then Image/mode/duotone, a window appears and you can select duotone,tritone or quadtone, select the mix of colors you like, and save the duotone,(the you´ll have to convert the mode to RGB again) you can make an action for it.. sometimes you will have to adjust levels or curves becase of the lighting in the picture may turn it too dark or too light, but the tones in the black and white (or sepia or whatever you created) will be consistent. Hope that helps!
09/06/2007 02:47:38 PM · #8
Thanks for that Gaby, I suppose the advantage of this over playing with the channel mixer is that the resulting b&w image is tonaly (if thats a word!) equal to others you produce with the same duotone. Whereas with the channel mixer (unless you copy in the exactly settings again) there is more room for differences.

As far as I can see, both methods leave room for error from the users input. Maybe a quick "auto level" before final sharpening with increase that consistency.

I was hoping there might have been something else that could help achieve that consistency over a large number of processed photos.

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