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Old Sep 10, 2010, 7:33 PM   #1
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Default Jet Wash

Caught this Delta A319 departing CVG last weekend and thought the jet wash from the engines created a cool visual effect.

By the way, does the exposure look OK on this? It looks OK my monitor, but I've gotten some feedback that it is over exposed.

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Old Sep 10, 2010, 8:02 PM   #2
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The exposure looks fine to me. I think the comments you're getting are because the fuselage is white, not because the image is overexposed.
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Old Sep 11, 2010, 9:28 AM   #3
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I think it is a great photo, it is borderline blown for the highlights with some places only having just a little left in the blue channel but the red and green blown. Is that a problem, for me no, for airliners.net it might be.
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Old Sep 11, 2010, 10:14 AM   #4
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I don't know, Mark. If you remove the aircraft, the background is properly exposed, perhaps even a little underexposed. Looking at the aircraft by itself, yes, it's bright, but nothing is actually blown. And if the exposure were any lower, then the detail of the undercarriage and the underside of the wing would be lost.
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Old Sep 11, 2010, 10:34 AM   #5
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Thanks TCAV and Mark for your comments. If I look at the histrograms, one could certainly claim that there are elements off the chart on the right side indicating over exposure. However, I tend to use the histogram as a guide rather than a rule and therefore felt that overall the image looked ok (at least on my monitor).

Mark: you're right about it not being acceptable to airliners.net. I was sure they would accept it, and was dissapointed that they did not. Their reasons for rejection were that some parts of the aircraft were soft and that it was overexposed.

Just when I think I got their criteria down, they throw me a curve ball! On the bright side, my acceptance ratio at airliners.net has increased from 33% to about 66%...I have 38 images on board.

Thanks again for your comments.

Jehan
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Old Sep 11, 2010, 12:28 PM   #6
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I dunno I just thought it was a COOL shot
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Old Sep 11, 2010, 12:31 PM   #7
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The fuselage of the aircraft is white. If it were "properly" exposed, then the fuselage will be grayer, which would be wrong.

Do either Nikon's CaptureNX or ViewNX indicate any blown highlights?
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Old Sep 11, 2010, 12:32 PM   #8
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BTW, where were you when you got that shot?

It appears you're level with the aircraft after it has already become airborne, and the EXIF data says you used a focal length of 160mm which means you're pretty close.
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Old Sep 12, 2010, 5:24 PM   #9
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Quote:
Originally Posted by TCav View Post
BTW, where were you when you got that shot?

It appears you're level with the aircraft after it has already become airborne, and the EXIF data says you used a focal length of 160mm which means you're pretty close.
TCav: I was positioned about 300 yards away and the aircraft was at the perfect altitude when it passed in front of me. My location was probably 50 feet in elevation higher (up on a small knoll) than the runway . That it appears that I am level with the aircraft is more of an optical illusion...I think!
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Old Sep 12, 2010, 8:14 PM   #10
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From your vantage point, the rear landing gear appear to be at the same height as the elevated ground in the background. I'd guess that the knoll you were on was at the same height as those landing gear and that hill in the distance.
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