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filters advice
I've got a 28-300mm zoom lens and want to buy a polariser filter for it..

I've read that vignetting can occur when filters are used on a "wide-angle" lens but none of the articles specified at what point (ie; 35mm, 28mm, 24mm, etc.) this issue crops up. I can't believe that the chance of vignetting is the same with a 28mm as it would be with a 20mm..

Can anyone clarify this for me? Thanks...

Comments (6)

You'll have to provide some info about what format camera you're snapping that lens onto to get specific answers; 28mm is a lot wider (angle of view projected on the sensor) on a "full frame" than it is on, say a 4/3 format camera..

You may find that the vignetting you may experience at very wide angles of view is not nearly as disturbing as the variation in the polarizing effect across the frame (i.e. sky very dark on one side of the image and light on the other).Regards, John...

Comment #1

I agree with John. I'm using a CPL even @ 18mm without vignetting, but the sky banding appears (depending on conditions - i.e. angle of the sun) already @ 30-40mm.

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Comment #2

John:Am using my zoom lens on a 35mm film Canon SLR...

Comment #3

Ancient_Mariner:.

Is that 18mm a DSLR lens ... the equivalent of a 28mm lens on a 35mm film camera? Am aware of the "darkened sky" issue but my question pertains to vignetting caused by the filter frame...

Comment #4

Imamember wrote:.

Ancient_Mariner:Is that 18mm a DSLR lens ... the equivalent of a 28mm lens on a 35mmfilm camera?.

Yep..

Am aware of the "darkened sky" issue but my questionpertains to vignetting caused by the filter frame..

I have no problems with the CPL. Once I accidentally mounted it on top of a UV filter, and then there was slight vignetting @ 18mm (28 equiv).

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Comment #5

I have one on my camera and no vignetting whatsoever. I highly recommend this site..

Http://www.camerafilters.com/.

Good luck!LucyE- 510, 40- 150, 14- 54 and ZD 35 Macro lensesU ZI owner!Olympus C30-20Zhttp://www.pbase.com/lucyFCAS Member #98, Oly Division'Photography is the art of seeing what others do not.'.

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Comment #6

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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