June 24, 2018, 03:20:01 PM

Author Topic: Sigma Announces Brand New 14-24mm F2.8 Art Lens  (Read 13964 times)

Ah-Keong

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #45 on: February 21, 2018, 01:46:27 AM »

Interesting.

Wonder did Canon and Sigma sign some kind of Understanding Agreement....

 ::)
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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #45 on: February 21, 2018, 01:46:27 AM »

pixel8foto

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #46 on: February 22, 2018, 08:24:25 PM »
***NEW FEATURE ALERT***

"high-accuracy autofocus".

***NEW FEATURE ALERT***

RGF

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #47 on: February 24, 2018, 03:16:18 PM »
4 Year U.S.A. Warranty is pretty cool.  The vignetting is not very good wide open, I guess that's the nature of the beast.

https://www.sigmaphoto.com/14-24mm-f2-8-dg-hsm-a

is the vignetting worse than the Nikon 14-24 or Canon 16-35 F2.8 wide open?

mjg79

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #48 on: March 04, 2018, 11:51:49 AM »
4 Year U.S.A. Warranty is pretty cool.  The vignetting is not very good wide open, I guess that's the nature of the beast.

https://www.sigmaphoto.com/14-24mm-f2-8-dg-hsm-a

is the vignetting worse than the Nikon 14-24 or Canon 16-35 F2.8 wide open?

Have we seen any more sample photos coming out? I can't find any and I'm interested in this lens.

As for the question - there's no way it will be worse than the 16-35 2.8 L III - that despite being in almost all other regards perfect is, sadly, is one of the worst lenses out there for vignetting, worse even than the notorious-for-vignetting Zeiss 18/3.5 and Zeiss 25/2 ZE lenses.

I had saved up enough money to buy the L III but just can't stomach the price given the more than four stops of vignette so this lens is of interest. The inability to filter it with normal filters is a huge pain but that's the case with the Tamron and the Nikon models.

How it compares to the Nikon 14-24 will be interesting as that lens is outstanding and Sigma has also gone for the bulbous front element that seems to allow for well corrected corners while avoiding vignetting (well I say that but Sony's 16-35/2.8GM matches the L III for sharpness with almost exactly half the vignette so there's obviously other ways around this or maybe that's the shorter flange distance helping). I used to use an adapter Nikon 14-24 on a 5DII but got tired of using an adapted lens and needing an adapter for filters and have been on the 16-35L IS and was hoping to upgrade to the 2.8L III to have a lens that could also do astro work. The vignette really hurts that so I am holding off. The Sigma might be the one to tick all the boxes except for filters. If it doesn't impress I think I'll get the Tamron though I've had bad luck in the past with them, it's getting so cheap online now it seems worth a try.

BeenThere

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #49 on: March 04, 2018, 02:30:49 PM »
Here is vignette graph for the new Sigma

https://pull01-sigmaphoto.netdna-ssl.com/media/wysiwyg/vignetting.jpg

For the Nikon, pz measures 1.6 stops at 14mm, and 1.2 stops at 24mm. (Wide open)
« Last Edit: March 04, 2018, 02:41:37 PM by BeenThere »

TWI by Dustin Abbott

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #50 on: April 18, 2018, 11:25:22 AM »
I can verify that all of the lens corrections do in fact work...quite beautifully, actually.  It made me aware of just how much "tweaking" Canon lenses benefit from in camera.
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Ah-Keong

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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #51 on: April 24, 2018, 06:15:56 AM »
I can verify that all of the lens corrections do in fact work...quite beautifully, actually.  It made me aware of just how much "tweaking" Canon lenses benefit from in camera.

wow...

Think Sigma did really has some kind of agreement with Canon to include the lens profile in the body.
Canon 7D Mark II | Canon EF-S 10-18mm | Sigma DC 18-35mm ART | EF 70-200mm f/2,8L | 100mm Makro-Planar ZE
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Re: Sigma Announces Brand New 14-24mm F2.8 Art Lens
« Reply #51 on: April 24, 2018, 06:15:56 AM »