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Quote:
Originally Posted by Phil
Skyline - do you have an image that you can post that shows the problem ?
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Join Date: Aug 2008
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Did you have a lens hood on the lens?
I ask because there is some refraction going on here where the sun is just outside of frame.
In this particular image I would guess it is because you are shooting into the sun that the flare from the sun is causing over exposure on that side of the image.
Steve
I ask because there is some refraction going on here where the sun is just outside of frame.
In this particular image I would guess it is because you are shooting into the sun that the flare from the sun is causing over exposure on that side of the image.
Steve
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Kit 1 Canon 5D MkII Canon24-105mm f4L IS USM Canon 70-200mm f2.8L IS USM Canon 17-40mm f4L USM Canon 100mm f2.8 USM Macro Canon 70-200 f4L USM Canon MT-24EX Macro Flash |
Kit 2 Canon 5D, Canon 40D, Canon 20D |
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OK. I will try to explain what I think is causing this. Not that good at explaining things so you will have to put up with my ramblings and try to decipher what I am trying to say
The sky is not evenly illuminated across a scene. In the case of the image above you are using your lens at 18mm. This equates to a horizontal field of view of about 64 degrees.
If you were to take a spot meter reading of the sky at the furthest point left (nearest he sun) and another reading at the furthest point right (furthest from the sun) you would find there is a great difference in the readings.
What this will result in when using Matrix metering is an average aross those extremes which will result in over exposure near the sun and under exposure furthest from the sun.
This phenomenon occurs in every shot where there is sky. It is however exaggerated when using a wide angle lens and hardly noticeable when using a telephoto.
A polariser will not help and in fact can make it worse or even more obvious. A graduated ND filter if used vertically rather than horizontally would sort the sky out but would cause problems with the non sky part of the image.
The only way I would go about solving the problem would be to mount the camera on a tripod and take two exposures, one exposed for the sky nearest the sun and the other exposed for the sky on the opposite side. Then you would have to combine both images in software such as PS.
Apologies if I have not explained it well
Steve
The sky is not evenly illuminated across a scene. In the case of the image above you are using your lens at 18mm. This equates to a horizontal field of view of about 64 degrees.
If you were to take a spot meter reading of the sky at the furthest point left (nearest he sun) and another reading at the furthest point right (furthest from the sun) you would find there is a great difference in the readings.
What this will result in when using Matrix metering is an average aross those extremes which will result in over exposure near the sun and under exposure furthest from the sun.
This phenomenon occurs in every shot where there is sky. It is however exaggerated when using a wide angle lens and hardly noticeable when using a telephoto.
A polariser will not help and in fact can make it worse or even more obvious. A graduated ND filter if used vertically rather than horizontally would sort the sky out but would cause problems with the non sky part of the image.
The only way I would go about solving the problem would be to mount the camera on a tripod and take two exposures, one exposed for the sky nearest the sun and the other exposed for the sky on the opposite side. Then you would have to combine both images in software such as PS.
Apologies if I have not explained it well
Steve
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Kit 1 Canon 5D MkII Canon24-105mm f4L IS USM Canon 70-200mm f2.8L IS USM Canon 17-40mm f4L USM Canon 100mm f2.8 USM Macro Canon 70-200 f4L USM Canon MT-24EX Macro Flash |
Kit 2 Canon 5D, Canon 40D, Canon 20D |
Other Kit View my profile to see my other kit! |
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Cheers Steve. You have explained it very well.
On that image I did do a 3 shot with exposure bracketing. I could see what was going to happen and was hoping one would be good, or combine 2 or 3 together to see how that looked.
It's one of those problems I've face before when you want to take a picture and the sun is bright, about 10 o'clock to you. I thought a filter of some kind may have been they way around it.
Cheers again for taking the time to explain.
On that image I did do a 3 shot with exposure bracketing. I could see what was going to happen and was hoping one would be good, or combine 2 or 3 together to see how that looked.
It's one of those problems I've face before when you want to take a picture and the sun is bright, about 10 o'clock to you. I thought a filter of some kind may have been they way around it.
Cheers again for taking the time to explain.