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Old 28th of June 2008 (Sat)   #1
BigBlueDodge
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Default Sigma 50mm f/1.4 EX DG HSM -SIGMALUX-

Well, the Sigma 50 1.4 is starting to hit the streets, so rather than spread images all over the place, let's go ahead and start posting them here. The "Sigma Announces 50mm F1.4 EX DG HSM" thread hit 50 pages before we started seeing sample images. Let's keep this thread focused on images. If you want to talk about the lens itself, there is 50+ pages in this thread that discusses the lens from every different angle.

http://photography-on-the.net/forum/...d.php?t=471381
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Old 28th of June 2008 (Sat)   #2
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Default Re: -= Archive Sigma 50 1.4 Images

Okay... this was shot at f/3.5 because my brand new 5D is FRONT FOCUSING!!!!!!!!!! Sorry

Camera: 5D
Aperture: f/3.5
Speed: 1/1250
ISO: 100

Straight out of camera... oh, I did convert to jpeg... not me, the image... oh, and the 100% crop... very cloudy...
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File Type: jpg IMG_7706 - Version 2.jpg (95.6 KB, 25036 views)

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Old 28th of June 2008 (Sat)   #3
BigBlueDodge
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Default Re: -= Archive Sigma 50 1.4 Images

Is #2 a 100% crop of #1, or another picture just closer up?
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Old 28th of June 2008 (Sat)   #4
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Default Re: -= Archive Sigma 50 1.4 Images

Taken from the "Sigma Announces 50 1.4" thread..

This gentleman was one of the first to start posting samples of the Sigma 50 1.4, with comparisons to other lenses. This was our first "real" look at the lens

http://210.238.185.197/~maro/lens_test.html#50mmF1.4

[WARNING] Maro did not compress the images, so the page takes some time to load (he puts images for all of this lens on it). Have patience[/WARNING]
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Old 28th of June 2008 (Sat)   #5
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Default Re: -= Archive Sigma 50 1.4 Images

Quote:
Originally Posted by BigBlueDodge View Post
Is #2 a 100% crop of #1, or another picture just closer up?
It's the flower in the center.
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Old 28th of June 2008 (Sat)   #6
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Default Re: -= Archive Sigma 50 1.4 Images

Put the lens on my 40D to compare with my sigma 30mm 1.4 - Looking at that image and others I took, the 50mm has better tone and stuff. Looks more like the images out of the 5D.

The left pic is the 30mm... Had to step back about 6 ft with the 50mm... Not my car...
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Old 28th of June 2008 (Sat)   #7
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Default Re: -= Archive Sigma 50 1.4 Images

Does look a smidge contrastier....(sp?) (word?)
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Old 28th of June 2008 (Sat)   #8
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Default Re: -= Archive Sigma 50 1.4 Images

Hmm, the 50 does look it produces richer colors over the 30 1.4. I can tell the difference in the yellow of the vehicle.
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Old 28th of June 2008 (Sat)   #9
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Default Re: -= Archive Sigma 50 1.4 Images

Quote:
Originally Posted by BigBlueDodge View Post
Hmm, the 50 does look it produces richer colors over the 30 1.4. I can tell the difference in the yellow of the vehicle.

i can get the same results from the same lens in back-to-back pictures. i'd have to seee waaay more pictures before i'd even begin to draw any conclusions .

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Old 28th of June 2008 (Sat)   #10
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Default Re: -= Archive Sigma 50 1.4 Images

Quote:
Originally Posted by petsnpeeps View Post
Looking at that image and others I took, the 50mm has better tone and stuff. Looks more like the images out of the 5D.
If you look at the light and shadows on and around the vehicles then seems the available light was very similar while you took the images. The subject and background all seem richer and more naturally saturated with good sharpness and contrast. Seems you got a nice lens there.
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Old 28th of June 2008 (Sat)   #11
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Default Re: -= Archive Sigma 50 1.4 Images

Remember guys & girls & whoever

Always ALWAYS try & post samples with 100% crops as well, posting rescaled images is fine for checking out contrast & colour, along with viewing the entire scene, BUT we arnt interested in the photo itself but the lens, so we really need to see the level of sharpness & to check for abberations, this cant be dont with a full frame resized image, we NEED 100% crops..

Thankyou, I feel better getting that off my chest
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Old 28th of June 2008 (Sat)   #12
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Default Re: -= Archive Sigma 50 1.4 Images

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Originally Posted by Nick_C View Post
Remember guys & girls & whoever

Always ALWAYS try & post samples with 100% crops as well, posting rescaled images is fine for checking out contrast & colour, along with viewing the entire scene, BUT we arnt interested in the photo itself but the lens, so we really need to see the level of sharpness & to check for abberations, this cant be dont with a full frame resized image, we NEED 100% crops..

And not just that, we need those 100% crops to be from both the center of the frame and, if the shot's taken with a full-frame caerma, from the edges/corners (edges/corners from a crop camera won't mean all that much since the lens is designed to be used on a full-frame camera).

Ideally, someone with a 1DsmkIII will put this lens on it, put it into live view mode, and zoom into an edge or corner and manually focus on that spot until it's as sharp as possible, then take the shot wide open and show the results. That'll show what the lens is capable of in the edges/corners.

Live view might not be very useful for a lot of people, but it's a lens tester's dream.
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Old 28th of June 2008 (Sat)   #13
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Default Re: -= Archive Sigma 50 1.4 Images

Quote:
Originally Posted by condyk View Post
If you look at the light and shadows on and around the vehicles then seems the available light was very similar while you took the images. The subject and background all seem richer and more naturally saturated with good sharpness and contrast. Seems you got a nice lens there.
The shadow under the car on the 50mm image looks much sharper. Like the sun was brighter and beaming straight down. The 30mm image look more like a cloud passed over and diffused the light.
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Last edited by dbdors : 28th of June 2008 (Sat) at 23:44.
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Old 28th of June 2008 (Sat)   #14
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Default Re: -= Archive Sigma 50 1.4 Images

Quote:
Originally Posted by dbdors View Post
The shadow under the car on the 50mm image looks much sharper. Like the sun was brighter and beaming straight down. The 30mm image look more like a cloud passed over and diffed the light.

yep. a little cloud movement could easily explain the difference. like i said i would never make such an assumption with so little info.

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Old 29th of June 2008 (Sun)   #15
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Default Re: -= Archive Sigma 50 1.4 Images

5D + Sigma 50/1.4
http://flickr.com/photos/ophof/sets/72157605862678357/

the thread on dpreview:
http://forums.dpreview.com/forums/re...ssage=28436082

also:
20D + Sigma 50/1.4 (100% crops vs 50/1.8II on page 2)
http://www.flickr.com/photos/86658347@N00/

thread on dpreview:
http://forums.dpreview.com/forums/re...ssage=28290916

Last edited by Chez Wimpy : 29th of June 2008 (Sun) at 01:26.
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