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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 Nov 2012 (Wednesday) 23:30
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New sigma 18-250mm macro lens on 1d III

 
skycolt
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Nov 14, 2012 23:30 |  #1

vignetting is expected, but not that much at long end. It's on the corner below 135 and fade out after. If you can live with it, the lens makes a good super zoom for a reasonable price.


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18mm


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35mm

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skycolt
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Nov 14, 2012 23:31 |  #2


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50mm


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85mm

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skycolt
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Nov 14, 2012 23:32 |  #3


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130mm


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250mm

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hazwing
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Nov 15, 2012 01:49 |  #4

i thought this lens was for crop cameras?




  
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gep01
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Nov 15, 2012 04:59 as a reply to  @ hazwing's post |  #5

It is, that's what there's some nasty vignetting in Skycolt's examples. As far as I'm aware all lenses designed for crop sensors will work on full frame cameras they just show nasty vignetting. (Someone correct me if I'm wrong, I'd hate my half arsed knowledge being responsible for someone damaging their camera!)


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FrayAdjacent
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Nov 15, 2012 05:23 |  #6

I have one of these lenses as well. It's pretty good in some of the tests that I tried.

I have decided to stick with two lenses as my wide general purpose lens, and a longer lens, so I have the 18-250 listed in the For Sale section. It's a nice, well built lens.


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hazwing
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Nov 15, 2012 06:04 |  #7

to my eye, the vignetting doesn't actually seem as bad as I thought it would be




  
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msowsun
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Nov 15, 2012 09:03 |  #8

I am surprised how little vignetting there is with the Sigma 18-250mm.

Here is what happens when you mount a Canon EF-S 15-85 on a 5D Mk II. It is basically unusable at any focal length because it vignettes so much.

IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo8/IMG_9195.jpg

IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo8/IMG_9196.jpg

IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo8/IMG_9197.jpg

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skycolt
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Nov 15, 2012 12:05 |  #9

15-85 show vignetting even on a crop camera body, under certain circumstances.


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mwsilver
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Nov 16, 2012 23:51 |  #10

skycolt wrote in post #15249134 (external link)
15-85 show vignetting even on a crop camera body, under certain circumstances.

I have peripheral illumination tuned on in my 60D and rarely notice any vignetting with my 15-85. And if I did, I could easily fix it with Lightroom.


Mark
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New sigma 18-250mm macro lens on 1d III
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