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Circles in middle of photo?

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lhellwing
lhellwing  1 United Kingdom
22 Oct 2012 - 11:48 PM

Please can someone shed some light on the circles in the middle of this imageSmile-mg-5279.jpg

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22 Oct 2012 - 11:48 PM

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uggyy
uggyy  82104 forum posts Scotland9 Constructive Critique Points
23 Oct 2012 - 12:47 AM

Camera and Lens?

I get this sometimes too, not as profound at that though...

lhellwing
lhellwing  1 United Kingdom
23 Oct 2012 - 12:48 AM

canon 40D 18-55mm kit lens

uggyy
uggyy  82104 forum posts Scotland9 Constructive Critique Points
23 Oct 2012 - 12:57 AM

With me its a Nikon D700 and 24-70 F2.8 and is in low light conditions such as this. Same ripples but interestingly not from the lights in the picture but central and concentric as this is.

jimthistle73
23 Oct 2012 - 1:06 AM

Something up there (needless to say)... Is it under warranty?

lhellwing
lhellwing  1 United Kingdom
23 Oct 2012 - 1:20 AM

It is but i ask myself what exactly could it be? uv filter light bouncing back from the lens? focusing screen bizarre i know but im outa ideas and if it is the camera it needs to go back asapSmile

uggyy
uggyy  82104 forum posts Scotland9 Constructive Critique Points
23 Oct 2012 - 1:48 AM

You only getting this is strong extreme light situations? I had it on some of my Night shots with auroa but not all of them, which I just didnt get either.

oldblokeh
oldblokeh  3762 forum posts United Kingdom
23 Oct 2012 - 6:54 AM

Looks a bit like Newton's Rings to me. Note that the light source is monochromatic (well, almost -- just the two closely-spaced sodium D lines) which will accentuate the problem. Try removing your UV filter.

lhellwing
lhellwing  1 United Kingdom
23 Oct 2012 - 7:04 AM


Quote: Looks a bit like Newton's Rings to me. Note that the light source is monochromatic (well, almost -- just the two closely-spaced sodium D lines) which will accentuate the problem. Try removing your UV filter.

Spot on or should that be circleSmile Thanks

Nick_w
Nick_w e2 Member 73801 forum postsNick_w vcard England99 Constructive Critique Points
23 Oct 2012 - 7:21 AM

Internal reflections from filter

sparrowhawk
sparrowhawk e2 Member 5267 forum postssparrowhawk vcard United Kingdom2 Constructive Critique Points
23 Oct 2012 - 5:49 PM

remove the uv filter this happens wih these shots if you dont

lhellwing
lhellwing  1 United Kingdom
23 Oct 2012 - 5:52 PM

thanks for all your helpSmile I will try again tonight:O

uggyy
uggyy  82104 forum posts Scotland9 Constructive Critique Points
24 Oct 2012 - 2:38 AM

Dito, thanks I did have a UV on with my shots too. Will try it.

StrayCat
StrayCat  1014401 forum posts Canada2 Constructive Critique Points
24 Oct 2012 - 3:43 AM

I believe it's something in the processing, maybe in the shadows and brightness adjustment. I reported it on one of Arthur Morris's shots a couple weeks ago; btw, he was using a Canon Mark IV and 800mm f5.6 lens, so I don't think it's produced in-camera.

lhellwing
lhellwing  1 United Kingdom
24 Oct 2012 - 8:23 AM

Not in the processing im afraid as was in all shots straight out of camera in rawSad Good news is uv off and its fineSmile

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