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Help On Two Colours Rejections  
User currently offlineAGD From Canada, joined Aug 2004, 204 posts, RR: 2
Posted (7 years 11 months 3 weeks 1 day 9 hours ago) and read 3705 times:

Hello all,

I recently uploaded a small batch of pics and those two pictures got rejected for some colours problems. Not that I'm complaining, it's only that I don't really see what the problems are nor how to fix them. Being colorblind myself, some color casts effects might escape me as well, so I'd like you guys to point me out what's wrong with the following rejections (and how to fix it!):

http://www.airliners.net/procphotos/...name=20060805_FirstAir732CGCPT.jpg

http://www.airliners.net/procphotos/...ame=20060805_Mexicana752N380RM.jpg

Thank you very much for your kind help and support. It is much appreciated.

Kind regards,

Alex G.-Denicourt
Contrails Aviation Photography

[Edited 2006-08-06 04:20:36]


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12 replies: All unread, jump to last
 
User currently offlineWhyWhyZed From Canada, joined Jan 2005, 914 posts, RR: 16
Reply 1, posted (7 years 11 months 3 weeks 1 day 9 hours ago) and read 3691 times:

Quoting AGD (Thread starter):
http://www.airliners.net/procphotos/...name=20060805_FirstAir732CGCPT.jpg

The first I personally think is fine, but there is a slight yellow/orange cast to it. Thats because of the evening light, obviously.

Quoting AGD (Thread starter):
http://www.airliners.net/procphotos/...ame=20060805_Mexicana752N380RM.jpg

The second, colours are quite off despite it being evening lighting. The orange is too strong, and the red shadow on the top of the aircraft just does it in for the personal collection, IMO.

- Jason DePodesta

P.S - What gear do you use Alex?


User currently offlineInterpaul From Germany, joined Jul 2004, 409 posts, RR: 3
Reply 2, posted (7 years 11 months 3 weeks 1 day 9 hours ago) and read 3686 times:

Here's something to show you the brown/muddy cast on the 757.



Jan


User currently offlineAGD From Canada, joined Aug 2004, 204 posts, RR: 2
Reply 3, posted (7 years 11 months 3 weeks 1 day 9 hours ago) and read 3681 times:

Jason,

Thanks for the quick reply. The First Air shot was indeed taken in some fine evening light.

I see the cast on the Mexicana pretty well now. It's obvious there's something wrong.

As for my photo gear, I mainly use a 20D with a Canon 100-400 for aviation.

Jan,

Thank you for showing me. As I wrote previously, I should have seen this before. A friend of mine told me the same, but I just wanted to be sure.

Could I ask how to fix that?

Thanks to you both,

Alex



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User currently offlineWhyWhyZed From Canada, joined Jan 2005, 914 posts, RR: 16
Reply 4, posted (7 years 11 months 3 weeks 1 day 9 hours ago) and read 3674 times:

-52 -12 +26

Does quite an improvement, if you're interested in fixing it.

- Jason DePodesta

[Edited 2006-08-06 05:09:13]

User currently offlineGlobalpics From United Kingdom, joined Jun 2005, 216 posts, RR: 2
Reply 5, posted (7 years 11 months 3 weeks 1 day 3 hours ago) and read 3644 times:

I can't offer any more advice on top of what the others have said but, mate they are awesome photos, well done specialy the First Air thats a crisp photo,I really hope it make it into the site  Smile

User currently offlineAGD From Canada, joined Aug 2004, 204 posts, RR: 2
Reply 6, posted (7 years 11 months 3 weeks 10 hours ago) and read 3604 times:

Quoting Globalpics (Reply 5):
I can't offer any more advice on top of what the others have said but, mate they are awesome photos, well done specialy the First Air thats a crisp photo,I really hope it make it into the site Smile

Thanks for that, I appreciate it.

Anyway, I still have no clue for the First Air shot. Perhaps a screener could tell me what to do, and how to fix this shot? I'd like to see it in the databse.

Thank you.

Alex



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User currently offlineDendrobatid From United Kingdom, joined Nov 2004, 1662 posts, RR: 62
Reply 7, posted (7 years 11 months 3 weeks 1 hour ago) and read 3582 times:
AIRLINERS.NET CREW
HEAD SCREENER

Quoting WhyWhyZed (Reply 4):
-52 -12 +26
Does quite an improvement, if you're interested in fixing it.
- Jason DePodesta

It is neither necessary or even a good idea to use all three colour controls as two are always acting against each other and only two are need to correct any cast. It takes some knack to get used to but the first problem is assessing any cast. Using all three does not help in learning how to correct casts !
By pressing Ctrl+B in Photoshop the colour control sliders come up with options to adjust the levels in the highlights, shadows or mid tones.
Using the Mexicana as an example, this is difficult, not a straightforward image to correct as it is basically a white balance problem.
However, the first thing that hit me was the red/pinkish cast at the top of the fuselage, very unnatural. I ticked highlights and -14, 0, +6 corrected that.
The image was then left with an orangey cast which I corrected in the midtones with -9,0,17
The shadows had taken on a slightly cyan cast which was corrected with +5, 0, 0
You may need to repeat these actions as the controls do have a slight effect on each other and the result here still has a slight cast on the top of the fuselage, though much better.
Mick Bajcar

Big version: Width: 1024 Height: 692 File size: 511kb


User currently offlineDendrobatid From United Kingdom, joined Nov 2004, 1662 posts, RR: 62
Reply 8, posted (7 years 11 months 3 weeks 1 hour ago) and read 3577 times:
AIRLINERS.NET CREW
HEAD SCREENER

Sorry, forgot about the top one.
That has a much more subtle cast, but the sky has a cyan cast, (cyan=blue/green) As we are all aware skies are rarely green !
It was dead easy to correct, far easier than the Mexicana at +16, 0,+6
(note the zero on all of my adjustments, only two controls ever being used)
Mick Bajcart


User currently offlineAGD From Canada, joined Aug 2004, 204 posts, RR: 2
Reply 9, posted (7 years 11 months 2 weeks 6 days 10 hours ago) and read 3529 times:

Hey Mike,

Thanks for the help and tips. I'll keep the Mexicana for my personal collection. If the white balance is the issue, well I guess I'll try to do better next time at the airfield.

I still have no clue for the First Air tho...

Kind regards,

Alex



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User currently offlineNicolasRubio From Argentina, joined Sep 2005, 584 posts, RR: 3
Reply 10, posted (7 years 11 months 2 weeks 6 days 9 hours ago) and read 3525 times:

Check this versions... They look ok in my monitor...

http://img85.imageshack.us/img85/3979/20060805firstair732cgcptse3.jpg

http://img88.imageshack.us/img88/9777/20060805mexicana752n380rmcv9.jpg



Gripped 7D + Sigma 10-20mm + 17-40L + 50mm f/1.8 II + 70-200mm f/4L IS + EF 400mm f/5.6L + 580EX II
User currently offlineEadster From Australia, joined Jan 2005, 2216 posts, RR: 14
Reply 11, posted (7 years 11 months 2 weeks 6 days 7 hours ago) and read 3514 times:

On the latest edits:

The 757 still looks soft in areas. cockpit windows and logo on tail for example. Might just be my monitor here, but it looks very bright and maybe needs toning down a bit?

Same with the 737 - very bright and may need toning down, but not too bad in general. Looks unlevel too. Could just be the runway but for some reason doesn't look quite right.

Just my thoughts.


User currently offlineAGD From Canada, joined Aug 2004, 204 posts, RR: 2
Reply 12, posted (7 years 11 months 2 weeks 6 days 7 hours ago) and read 3512 times:

Thank you both. Will have a look.

Cheers,

Alex



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