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Topics - GuyF

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31
Lenses / 17-40mm and DPP
« on: May 27, 2012, 02:39:32 PM »
Just ordered my 5D mk3 plus 24-105mm and wanting either a 17-40mm or maybe the 16-35mm if my piggybank can stand it. I know the 17-40mm has more CA and distortion but wondered how well images can be cleaned up using the Lens Optimiser part of DPP - any comments?

Thanks for any opinions,

Guy.

32
Third Party Manufacturers / Tamron 90mm macro or Sigma 150 OS?
« on: May 26, 2012, 11:10:41 AM »
I've currently got the Tamron 90mm but have the chance to sell it to a colleague. Is the Sigma 150mm f2.8 OS a better lens? I'll be using it with a 5D mk3 that I intend buying very soon.

Has anyone compared the image quality of the two lenses directly?

(I've already discounted the Canon 100mm as I've got a couple of lenses that would cover portrait shots etc. hence the potential leap to 150mm.)

Any thoughts?

Thanks,

Guy.

33
Technical Support / 300mm f2.8 IS and Digital Lens Optimiser
« on: May 26, 2012, 10:54:13 AM »
I contacted Canon to ask if a lens profile for the 300mm 2.8 IS mk1 would be made available since they have one for the mk2. No reply. Hey ho. Anyone know if Canon are going to add to the profile database?

Thanks,

GuyF.

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