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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 29 Aug 2011 (Monday) 12:56
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UWA lens purchase - tamron vs sigma

 
dessoir
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Aug 29, 2011 12:56 |  #1

Hello,

So I am contemplating my first UWA purchase.

#1. Sigma 8-16 (external link)
#2. Tamron 10-24 (external link)

Sigma is wider, Tamron is cheaper and has a rebate which ends on the 31st.
I'm using a 50D and most likely won't be getting a FF until early next year. From that pov, the super wide 8mm of Sigma is very appealing and offloading it if necessary may be easier.

Input?
Thanks!




  
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va_rider
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Aug 29, 2011 13:02 |  #2

I've got a buddy with the Tamron... and he's gotten some impressive results with it... but I wouldn't think of getting rid of my Sigma for it.... that extra 2mm makes all the difference in the world... and the build quality of the Sigma is 10X that of the Tamron...


Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
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pkim1230
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Aug 29, 2011 13:16 |  #3

you're gonna have to crop that 8mm pics to get rid of the vignetting. unless you want that.



Gear | 6D, 550D, 1000D IR Modified, Samyang 24mm f/1.4, Rokinon 14mm f/2.8, Canon 40mm f/2.8, Tamron 70-300mm VC f/4-5.6, iOptron SkyTracker

  
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va_rider
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Aug 29, 2011 13:18 |  #4

pkim1230 wrote in post #13019376 (external link)
you're gonna have to crop that 8mm pics to get rid of the vignetting. unless you want that.

What? No you don't...


Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
Flickr (external link)

  
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pkim1230
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Aug 29, 2011 13:20 |  #5

va_rider wrote in post #13019385 (external link)
What? No you don't...

oh nevermind, i meant when you have the hood on.
or any kind of filters.



Gear | 6D, 550D, 1000D IR Modified, Samyang 24mm f/1.4, Rokinon 14mm f/2.8, Canon 40mm f/2.8, Tamron 70-300mm VC f/4-5.6, iOptron SkyTracker

  
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va_rider
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Aug 29, 2011 13:21 |  #6

The Hood is built onto the body of the lens... and it does not cause vignetting.


Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
Flickr (external link)

  
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pkim1230
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Aug 29, 2011 13:24 |  #7

va_rider wrote in post #13019399 (external link)
The Hood is built onto the body of the lens... and it does not cause vignetting.

my mistake.
i think the filter adapter is the one that causes vignetting.



Gear | 6D, 550D, 1000D IR Modified, Samyang 24mm f/1.4, Rokinon 14mm f/2.8, Canon 40mm f/2.8, Tamron 70-300mm VC f/4-5.6, iOptron SkyTracker

  
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va_rider
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Aug 29, 2011 13:25 |  #8

I know what you're thinking of, and it's not a "Filter Adapter" ... it's part of the lens cap.


Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
Flickr (external link)

  
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pkim1230
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Aug 29, 2011 13:29 |  #9

va_rider wrote in post #13019426 (external link)
I know what you're thinking of, and it's not a "Filter Adapter" ... it's part of the lens cap.

oh just like their 12-24mm.



Gear | 6D, 550D, 1000D IR Modified, Samyang 24mm f/1.4, Rokinon 14mm f/2.8, Canon 40mm f/2.8, Tamron 70-300mm VC f/4-5.6, iOptron SkyTracker

  
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va_rider
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Aug 29, 2011 13:32 |  #10

People have jammed filters onto that ... we'll call it "Lens cap extension" .... the the vignetting is absolutely horrible... even at 16mm ...

like so:


IMAGE: https://lh6.googleusercontent.com/_BfL0yCQSUnQ/TcQWAgfvfaI/AAAAAAAAcjc/lV16xuuTrIc/s800/IMG_1480.jpg

IMAGE: https://lh5.googleusercontent.com/_BfL0yCQSUnQ/TcQWB94x8aI/AAAAAAAAcjw/49UVj9AQALM/s800/IMG_1483.jpg

IMAGE: https://lh3.googleusercontent.com/_BfL0yCQSUnQ/TcQWCfwtxsI/AAAAAAAAcj4/NcbkyHtWmh4/s800/IMG_1484.jpg

IMAGE: https://lh6.googleusercontent.com/_BfL0yCQSUnQ/TcQWBPvlxNI/AAAAAAAAcjk/BwlHHjKyYWk/s800/IMG_1482.jpg

Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
Flickr (external link)

  
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dessoir
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Aug 29, 2011 13:44 as a reply to  @ va_rider's post |  #11

So the sigma 8-16 gets serious vignetting when you attach a filter? Even a slim uv?




  
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va_rider
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Aug 29, 2011 13:49 |  #12

the 8-16 is not able to use filters.

people try to use filters by attaching to the 72mm threads on the "lens cap extension"... and you see what happens above.

so.... if you gotta use filters... don't get the 8-16


Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
I'm not a professional photographer, and I don't want to be.
Flickr (external link)

  
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dessoir
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Aug 29, 2011 13:50 |  #13

dessoir wrote in post #13019526 (external link)
So the sigma 8-16 gets serious vignetting when you attach a filter? Even a slim uv?

Duh! This lens doesn't have filter threads, so no filters!




  
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Joe ­ Ravenstein
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Aug 29, 2011 14:36 |  #14

Actually the Sigma 8-16 uwa Does have threads in the lens cap extension.


Canon 60D,18-55mm,55-250mm,50mm compact macro, AF ext tubes. Sigma 8-16mm uwa, 18-250mm, 85mm F1.4, 150-500mm

  
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HaroldC3
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Aug 29, 2011 15:17 |  #15

I have heard not so good things about the Tamron 10-24mm. The AF is awfully noisy and the corners are soft. I had the Canon 10-22mm but had to sell it for the funds and am now getting the Sigma 10-20mm f4-5.6. I think it's a good value for the money. Most used copies are under $400 with new copies going for $479.


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UWA lens purchase - tamron vs sigma
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