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Old 13th of March 2009 (Fri)   #31
Tony-S
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Default Re: Sigma 24-70 f/2.8 EX HSM

A couple more.
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File Type: jpg sigma2470hsm-1.jpg (66.0 KB, 2203 views)
File Type: jpg sigma2470hsmnici-.jpg (98.1 KB, 2191 views)
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Old 13th of March 2009 (Fri)   #32
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Default Re: Sigma 24-70 f/2.8 EX HSM

The Dominici building on the U of New Mexico Medical School campus with crop.
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File Type: jpg sigma2470hsmdominici-1.jpg (101.1 KB, 2184 views)
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Old 13th of March 2009 (Fri)   #33
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Default Re: Sigma 24-70 f/2.8 EX HSM

Quote:
Originally Posted by Gliderparentntn View Post
you keep discussing the viginetting on a FF what about a crop body? i use the 1.6 and 1.3 bodies.... anyone notice it with either crop body?
No appreciable vignetting on a 30D at 70mm and f/2.8.
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File Type: jpg sigma2470hsm30d (1).jpg (147.9 KB, 2190 views)
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Old 13th of March 2009 (Fri)   #34
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Default Re: Sigma 24-70 f/2.8 EX HSM

And a couple of West Spanish Peak in SE Colorado.
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File Type: jpg sigma2470hsmwspanish (1).jpg (121.1 KB, 2181 views)
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Old 14th of March 2009 (Sat)   #35
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Default Re: Sigma 24-70 f/2.8 EX HSM

Gateway Natural Area near Fort Collins, CO.
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Old 15th of March 2009 (Sun)   #36
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Default Re: Sigma 24-70 f/2.8 EX HSM

Doesn't the 5D2 have a way to fix the vignette in camera? I thought there was a function for this, so you wouldn't have to correct it in post?

Nice images, nonetheless.
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Old 15th of March 2009 (Sun)   #37
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Default Re: Sigma 24-70 f/2.8 EX HSM

Quote:
Originally Posted by inthedeck View Post
Doesn't the 5D2 have a way to fix the vignette in camera? I thought there was a function for this, so you wouldn't have to correct it in post?
Isn't that only for JPEG images in camera? I think for raw images you have to do it in pp.

Quote:
Nice images, nonetheless.
Thanks much!
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Old 15th of March 2009 (Sun)   #38
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Default Re: Sigma 24-70 f/2.8 EX HSM

Dunno...That's why I asked. Too bad if it's only jpegs. But, I understand why, and yeah, it's not difficult to clean up, at all.
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Old 17th of March 2009 (Tue)   #39
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Default Re: Sigma 24-70 f/2.8 EX HSM

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Originally Posted by Tony-S View Post
A couple more.
what you doing RT-PCR on?
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Old 20th of March 2009 (Fri)   #40
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Default Re: Sigma 24-70 f/2.8 EX HSM

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what you doing RT-PCR on?
Cytokines and virus.

Here's a couple from Galveston this week. Some old mansion at sunset and the Galveston National Lab.
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File Type: jpg house (1).jpg (145.1 KB, 2059 views)
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Old 26th of March 2009 (Thu)   #41
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Default Re: Sigma 24-70 f/2.8 EX HSM

what virus, I work at the MRC virology unit in glasgow.

100% crop 24mm f4 5D2

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Old 29th of March 2009 (Sun)   #42
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Default Re: Sigma 24-70 f/2.8 EX HSM

Myrtle electronics is selling the HSM version for 394.98, I think it is too good to be true ... isn't it?
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Old 29th of March 2009 (Sun)   #43
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Default Re: Sigma 24-70 f/2.8 EX HSM

Yeah, sounds like a very, very, very great deal. I suspect it's the non-HSM version.
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Old 30th of March 2009 (Mon)   #44
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Default Re: Sigma 24-70 f/2.8 EX HSM

Just to demonstrate its sharpness. Full-frame and 100% crop shot at f/8.
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File Type: jpg Sig24-70z.jpg (128.0 KB, 1935 views)
File Type: jpg Sig24-70z-crop.jpg (143.3 KB, 1940 views)
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Old 2nd of April 2009 (Thu)   #45
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Default Re: Sigma 24-70 f/2.8 EX HSM

Thanks for the shots Tony!

Are we all tight on cash or is this lens isn't as good as I'm thinking it is; no one else seems to be posting pics.
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