Chukcha
Topic Author
Posts: 2019
Joined: Tue Mar 21, 2006 10:57 am

Level - Please Help

Fri Aug 29, 2008 1:03 am

Hi all,

I'm totally lost here. Level rejection:

http://www.airliners.net/addphotos/rejections/big/20080828_abSM58.jpg

Was leveled using the horizon. The building on the right is leaning left because of the camera angle (pointing upwards) and wide angle lens.

Should I appeal? Or, otherwise, how do I fix it? Which way to turn?

Any feedback would be greatly appreciated.

Cheers,
Andrei

[Edited 2008-08-28 18:07:57]
 
User avatar
acontador
Posts: 1381
Joined: Tue Jul 05, 2005 11:54 pm

RE: Level - Please Help

Fri Aug 29, 2008 1:34 pm

Hi Andrei,

One of those cases where you shouldn't level according to the horizon!
You said it yourself, this is a wide angle shot, and with one side leaning inwards, you would expect actually both sides leaning the same. Accordingly, having the left side horizontal looks odd, so you'll need to apply some CW.

Hope it helps  Smile .
Just sit back, relax and have a glass of Merlot...enjoy your life!
 
Scotland1979
Crew
Posts: 331
Joined: Sat Feb 12, 2005 3:19 am

RE: Level - Please Help

Sat Aug 30, 2008 2:48 am

Here photo - give you an idea where both sides lean inward each other


View Large View Medium
Click here for bigger photo!

Photo © Danny Fritsche



Apply CW

Hope it help

Frank
Jesus said "I am the Way and the Truth and the Life. No one comes to the Father except through Me" - John 14:6
 
Chukcha
Topic Author
Posts: 2019
Joined: Tue Mar 21, 2006 10:57 am

RE: Level - Please Help

Sun Aug 31, 2008 5:43 am

Thanks, guys. Nice to receive feedback from two screeners. No non-screening photographers - does that mean that it was also slightly confusing for most of them?

Quoting Acontador (Reply 1):
One of those cases where you shouldn't level according to the horizon!

And one of the cases where some hint as to where to turn from the screener in the rejection email would have been much appreciated...

I do see your point, but it is not exactly a fish-eye lens, it is only 17mm, which, taking the sensor size into account, the equivalent of 27mm for 24x36. On another shot successive to this one, I can see a bit of the horizon under the starboard wing. The measurement using the Photoshop tools, as well as visual impression, shows very little curvature to the horizon. Leaning of the hangar is mostly due to the camera pointing upwards.

Quoting Scotland1979 (Reply 2):
Here photo - give you an idea where both sides lean inward each other

I see you point, too, but IMHO the example you provided is not very illustrative. Seems that the photo actually requires some CCW, as the verticals on the left lean inwards a lot more than the verticals on the right.

But anyway, thanks again. I know from my previous experience that leveling photos is no exact science. I agree that the photo in question might look better with some CCW applied; in fact, I've already done it and re-uploaded.

Cheers,
Andrei.
 
User avatar
acontador
Posts: 1381
Joined: Tue Jul 05, 2005 11:54 pm

RE: Level - Please Help

Sun Aug 31, 2008 1:49 pm

Hi Andrei,

Quoting Chukcha (Reply 3):
I agree that the photo in question might look better with some CCW applied;

 Confused

Quoting Acontador (Reply 1):
Accordingly, having the left side horizontal looks odd, so you'll need to apply some CW.



Quoting Scotland1979 (Reply 2):
Apply CW

Trust yours was a typho Big grin !

Quoting Chukcha (Reply 3):
I do see your point, but it is not exactly a fish-eye lens, it is only 17mm

Don't know what lens you're using, but my Canon 17-40 f/4 L shows at 17 mm quite some distortions, which will only gradually diminish towards the 40 mm end.
Just sit back, relax and have a glass of Merlot...enjoy your life!
 
Chukcha
Topic Author
Posts: 2019
Joined: Tue Mar 21, 2006 10:57 am

RE: Level - Please Help

Mon Sep 01, 2008 2:38 am

Quoting Acontador (Reply 4):
Trust yours was a typho Big grin !

Yes it was only a typo ...

Quoting Acontador (Reply 4):
my Canon 17-40 f/4 L shows at 17 mm quite some distortions, which will only gradually diminish towards the 40 mm end.

It also depends on how much you crop, right? Distortions will be much more pronounced at the edges of the shot and less - towards the centre. This particular shot was cropped quite a bit down the bottom - the horizon was about one third of the picture hight from the bottom edge.

What is your camera?

[Edited 2008-08-31 19:47:26]
 
Chukcha
Topic Author
Posts: 2019
Joined: Tue Mar 21, 2006 10:57 am

Level - Please Help

Mon Sep 01, 2008 2:43 am

All right, I already saw in your profile - same sensor size as mine.

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