wietse
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A Photography Related Question ;)

Fri Jul 09, 2004 9:22 pm

I have a shot accepted just now, and I have a question about it.


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Photo © Wietse de Graaf - AirTeamImages



Not really a plug, but you need to see the image opened up large to know what I am talking about.

So you opened the image? good. Now look at the contrail in the background. There is a dent/displacement there. It looks like a sloppy photoshop act. Trust me, it isnt  Smile. It is present in the RAW file as well. My question is: What caused this? it can not be a card write error I think, because the line would have to be image-wide and therefore should also appear in the tail. But it doesnt. What is this?

Wietse
Wietse de Graaf
 
mirage
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 9:24 pm

no please, not another KLM...

Luis
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Granite
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 9:25 pm

Wietse

You will probably find that this is some sort of vortex coming from the left wing and the effect has probably tailed off before it reached the wing.

Don't worry..............I know it wasn't Photoshopped in  Wink/being sarcastic

Cheers

Gary

 
ckw
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 9:27 pm

Don't know exactly, though I have seen the same thing myself (but only once or twice). My assumption is that an error occured when writing the image to the card - but I've no idea why, and it did appear to be confined to single images. Of course, I suppose it could be happening more frequently, but if the affected area is a solid colour you probably wouldn't notice it.

In this case of course the only answer is to immediatly have such a defective image withdrawn from the database  Smile

Cheers,

Colin
Colin K. Work, Pixstel
 
IL76
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 9:31 pm

 Big grin
You CAN of course also post a close up via photobucket or your website... No cheap hits then!!
hehe... I'm kidding... It's a very nice shot.
And no, I dunno what caused the shifting...
E

PS, I saw the waving captain shot... tsk tsk, couldn't resist huh?  Big grin

EDIT: I like Gary's explanation... It could be just that...

[Edited 2004-07-09 14:33:18]
 
ckw
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 9:40 pm

Gary may be right in this case - on first look I didn't thing the contrail lined up again after the break, but on closer inspection it does. The effect I'd seen previously is an actual shift in the image. Possibly not the case here - you certainly can get really stange effects from vortex/jet wash

Cheers,

Colin
Colin K. Work, Pixstel
 
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Jofa
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 10:07 pm

This topic emerges from time to time...

http://www.airliners.net/discussions/aviation_photography/read.main/125993/

Search and thy shall find...
 
wietse
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 10:18 pm

Yeah, well. There is a slight problem with that thread. The image is not visible anymore. So how could I know what happened to that image?

Thanks for the comments everyone. It looks like some sort of atmospherical effect, but it just seems to me that it is too high up in the image to have been caused by the wingtip. It might just be me, but then, what other explanation can one give  Smile

Wietse
Wietse de Graaf
 
IL76
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 10:38 pm

Wietse,
Wingflex + winglet + arched vortex (they're never straight)... That should put it quite up there...
 Smile
Ed
 
oly720man
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 10:44 pm

Looks too sharp to be anything to do with the aircraft.

Andy
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Granite
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 11:00 pm

Hi all

A mistake in my comment above.............tailed off before it reached the wing should have read 'tailed off before it reached the tail'

Cheers

Gary
 
Erwin972
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 11:25 pm

This is not caused by writing to the CF card.

I suspect a software error/glitch during processing inside your camera.

Your camera's CPU has to handle a few Mb of information within milliseconds with each shot taken, and it is very likely that there was a glitch just during this processing time.

Erwin
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Rotate
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 11:33 pm

i am with Erwin on that .... , but now we will never find out if the pic gained that much views in such a short time cause a) its a great pic or b) was pluged ....  Wink/being sarcastic

robin
ABC
 
Skymonster
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RE: A Photography Related Question ;)

Fri Jul 09, 2004 11:47 pm

Vortex off the winglet arching upwards and rearwards... Can't believe I just gave Wietse a hit to tell him that though!  Crying

Andy
There are old pilots and there are bold pilots, but there are no old bold pilots
 
oly720man
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 12:06 am

Could a winglet vortex have any affect here??? Especially across the contrails?


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wheat and dairy can screw up your brain
 
PUnmuth@VIE
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 1:42 am

The same effect can be seen on this photo. Check the upper left corner of the building.

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Photo © Fabian Gysel


-
 
Skymonster
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 3:25 am

Take a look at these two images to see the wierd effects vortex/heat can have... Honestly, absolutely no Photoshopping involved except for the normal stuff.

Check the right wing:


How about this for a cheatline and forward fuselage:


Andy
There are old pilots and there are bold pilots, but there are no old bold pilots
 
BO__einG
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 6:54 am

Wow.. This is quite intriguing.

Air is More than just a simple breathe in and breathe out.
It can play tricks with our eyes with various phonomenons including this.
My guess is that this is most likely caused by the passing wing as its vorticies spread outwards from the trail of the wingtip. Or this just so happens when MD11 types fly over due to their unique winglets layout.

None the less it is a really neat effect. Awesome pictures too starting off with Wietse's.. Big thumbs up
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aviopic
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:03 am

Very nice Wietse  Big thumbs up
I was hoping you would make one like this of the Connie flight last Monday.
Maybe it's in your files somewhere ?
The truth lives in one’s mind, it doesn’t really exist
 
Q330
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:13 am

but now we will never find out if the pic gained that much views in such a short time cause a) its a great pic or b) was pluged ....

I'll go for option 'A'. Awesome pic Wietse!  Big thumbs up

-Q
Long live the A330!
 
wietse
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:24 am

Thanks for the answers, I will go with it being a vortex in the sky. Seems most plausible to me. And thanks for the compliments as well.

Willem,

The connie pilot made the bend a little to late, the Connie was almost out of reach of my 100-400, so no similar shots there... I have one more in the queue at the moment:



Wietse
Wietse de Graaf
 
aviopic
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:43 am

Great Wietse this is what i was hoping for !
Yeeh i should have looked through the navigators window.
The truth lives in one’s mind, it doesn’t really exist
 
wietse
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:46 am

Thanks! It was one of the last performances by my 100-400 before she died... Currently on her way to a nice Canon technician to fix her.

 Big grin
Wietse de Graaf
 
DLKAPA
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 11:00 am

This may be a little bit far-fetched, but I have a theory. As the plane is moving at a high rate of speed, the air in front of the airplane compresses into shock waves. I think what we are seeing in each of these images is the leading edges of the compressed air distorting the image. In effect, you see where the air pressure changes are occuring.
And all at once the crowd begins to sing: Sometimes the hardest thing and the right thing are the same
 
N317AS
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 12:56 pm

My vote is for windshear. Yea...that's the ticket.  Wink/being sarcastic
Nice shot Wietse.

Bill
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spencer
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 6:20 pm

Definately some kind of writing error. Totally not an atmosperical condition. And it isn't any kind of vortex or streak of air cutting through there either.
Spencer.
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apuneger
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RE: A Photography Related Question ;)

Sat Jul 10, 2004 7:34 pm

I'd also go for the writing error. Personally, I don't think we would ever see something like that with our naked eyes. It just seems way too sharp. It just shifts within a couple of pixels, nothing rounded or whatever. But still a nice picture.

Ivan
Ivan Coninx - Brussels Aviation Photography

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