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PostPosted: Sun May 22, 2011 8:43 pm 
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the Samyang 8mm 3.5 fisheye is great!

but I wished it was 2.8 and that it worked better on a 1.3 crop sensor

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PostPosted: Sun May 22, 2011 10:59 pm 
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@ Don.Homer: how does it work on APS-H? Serious vignetting?

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PostPosted: Sun May 22, 2011 11:12 pm 
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it works, but its like a huge black rectangular framing since its made for APS-C

I tend to crop the photos

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Equipment: A blend of Canon, Nikon, Yashica, Leica, Voigtlander, Samyang and Sigma. All of which you can see on my website!
Wishlist: Leica M 240, Summilux 50 ASPH, Summilux 24 ASPH


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PostPosted: Mon May 23, 2011 4:31 am 
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Well, I’m not a pixel peeper, and I haven’t had any other ultra wide, so I can’t compare. But it doesn’t seem to me that the lens is flawed or has other issues, and the build is excellent.
This is an example at 10mm f16 1/640
Image
RC_20110507_untitled_0027.jpg by Radu Coman, on Flickr

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Radu
Canon PowerShot S100
Canon 50D , SIGMA 10-20 f3.5 ,Canon EF 24-105 L IS USM, Canon EF 100/2.8 macro Canon EF 50/1.4 ,Canon EF 85 f1.8,Canon EF-S17-85 4-5.6 Old Tamron 28-300 inherited from my Canon Rebel G film camera
Canon580EXII
http://www.errre.net


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PostPosted: Mon May 23, 2011 6:44 am 
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Click here for sample of Samyang fisheye on 5D so you can see the coverage.

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Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
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PostPosted: Tue May 24, 2011 6:34 am 
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Radu > Your citadel/arch pic was taken with the Canon 10-20mm ?

Also if someone knows does the Sigma 8-16mm have IS on it ? IS may not be that crucial since its an extreme wide angle lens, but id still just like to know.


Thanks


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PostPosted: Wed May 25, 2011 1:55 pm 
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Also can actual users of the Sigma 8-16mm tell me how the image sharpness @8mm is in comparision to the 18-55 kit lens @18mm.


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PostPosted: Thu May 26, 2011 6:21 am 
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Also ive been doing some review reading on these lens options and the only downside i see on the Sigma 8-16mm is the inability to fix any UV filter or CP filter. Has anyone heard of or use any workarounds for this.

Does this also mean lens life would be very low since the main lens would always be exposed during usage ?

Is there any other brand lens in the 8mm region that can take a filter ?


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PostPosted: Thu May 26, 2011 6:54 am 
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The life of the lens wont be affect at all by not having a UV front filter, unless you are so clumsy to stuff it into things all the time. Even then the hood will help give some protection. Also a polariser isn't often recommended on ultra-wide angle lenses anyway since the effect will be so variable across the frame.

I suspect if you absolutely must have a filter, then you'd need to go back to 10mm class lens.

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Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
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PostPosted: Thu May 26, 2011 11:50 am 
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Hi Popo,

Yes, id be working on video also equal to photography work. So even if i skip out the CP filter, i might need an ND filter, maybe a UV filter for protection and at times a GRAD ND would help.

I was just now reading a review on the Sigma 10-20mm f/4-5.6 EX DC HSM. Do you feel image quality wise this lens would be a step below the 8-16mm. I dont mind the 2mm loss if i can alos use ssome filters mentioned above.

But if the 8-16mm is going to be miles ahead quality wise then i think ill have to go with that.

Any ideas ?


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PostPosted: Thu May 26, 2011 6:04 pm 
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I had the older Sigma 10-20 which also reviewed quite good. I think there's the usual Sigma quality issue as my sample never felt as sharp as others had got, although it was still good enough for me to keep. It did take filters no problem although I never put more than a UV protector on it when I was more paranoid in those days.

You'd have to compare reviews to see how it stacks up.

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Canon DSLRs: 7D, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 28-80 V, 70-300L, 100-400L, TS-E 24/3.5L, MP-E 65, EF-S 15-85 IS
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 150 macro, 120-300 f/2.8 OS, Celestron 1325/13
Tinies: Sony HX9V.


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PostPosted: Fri May 27, 2011 3:20 am 
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But at the face of things i think the sigma 10-20mm is a little less sharper than the 8-16mm ?


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PostPosted: Sat May 28, 2011 8:39 pm 
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The shot was taken with the sigma 10-20 /3.5. this is the newer version of the sigma lens, it has a constant aperture (3.5) and I think it comes with a price.
this review made me buy it.

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Canon PowerShot S100
Canon 50D , SIGMA 10-20 f3.5 ,Canon EF 24-105 L IS USM, Canon EF 100/2.8 macro Canon EF 50/1.4 ,Canon EF 85 f1.8,Canon EF-S17-85 4-5.6 Old Tamron 28-300 inherited from my Canon Rebel G film camera
Canon580EXII
http://www.errre.net


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PostPosted: Sun May 29, 2011 5:52 am 
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Canon EF 8-15mm f4L I would buy if I was looking for an ultra wide angle zoom ^^ but too bad that it isnt released yet

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http://www.AnderssonPhoto.com
Equipment: A blend of Canon, Nikon, Yashica, Leica, Voigtlander, Samyang and Sigma. All of which you can see on my website!
Wishlist: Leica M 240, Summilux 50 ASPH, Summilux 24 ASPH


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PostPosted: Sun May 29, 2011 9:24 am 
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Has anyone used or have any opinions about the tamron 10-22mm f3.5-4.5 ??? Its got a lower aperture rating,,, would this help ?

Thanks


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