Sigma 18-35mm F1.8 DC HSM | A

Announced Apr 18, 2013 •
Zoom lens | Canon EF-S, Nikon F (DX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha DT
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Has anybody used the Sigma 35mm 1.4 Art AND the Sigma 18-35mm 1.8 Art Lens and can give me a review of which one you find sharper? Which one you find to be more versatile? Which one you find to have the best image reproduction? Using for everyday shooting, outdoor/nature, some portrait (even thought it's a little tight) and street photography. Thank you.
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So I bought a 7D MK II the other day and absolutely love this camera.  However my dilema is I only have two lenses.  The Tokina 12-24 F4 II and the Canon 50mm 1.8 II.  I mainly do real estate photography so the 12-24 is my workhorse.  However I am looking to purchase a new lens or lenses to compliment my 7D MK II.  I do have kids and do various other kinds of photography such as portraits and event style photography  There are two roads I could go down.  1.) 12-24 f4; 24-105L F4; 50mm 1.8;...
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I'm looking for help with choosing a decent tripod. I use Nikon D7100 (800g), the heaviest lens I own at the moment is Sigma 18-35mm (800g), but I plan to buy 70-200 2.8 lens (weights around 1500g). I will be using it outdoors, on moderately long hikes, walks, travels, mostly in wet climate and strong winds. My initial plan was to buy Manfrotto Befree compact, but after reading several reviews I got an idea it doesn't absorb vibrations well and is pretty unstable in windy situations. So, I'd...
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Just got the above, along with a Sigma USB Dock. Mounted on an A6000. Calibrated the lens, but the AF is pretty lethargic, and accuracy is hit or miss. I'd say around a 66% success rate, even on highly detailed items in daylight. The center and top/bottom most AF points are most accurate, being more sensitive, with the others having less chance of success. The combo also does not continually AF during burst shooting. Is this just the way the Sigma 18-35mm is, or do I have a faulty LA-EA2?
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With my new shiny a77ii same day arrived sigma 18-35mm F1.8 DC HSM (Art). On jpeg's I see good sharp results if I took steady shot, but on RAW files almost all photos are a little bit blurred (looking at the eyes). Not big specialist, but I understand that camera makes some adjustments for jpeg , but it should be also sharp on RAW also.. What should I do ? How can I check and adjust the lens ( I know there is micro adjustment) ? Is there some special procedure on what length and aperture it...
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newb here, apologies if this has been discussed before, couldn't find any info.. am i doing something wrong? i'm pointing the camera directly at this rectangle image, why does it look so warped? anyone have this problem? (i am using metabones speedbooster canon ef to m43 S version if that makes any difference...) 18mm 35mm
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I currently own the cz 24-70 and love the shallow depth of field at 2.8 but my recent purchase of the a77ii mk2 has made me question the need to keep my a99... the dynamic range of the a77ii is pretty close the af is outstanding so my only only reason I keep the a99 is the shallow depth of field in low light. The art lens on the sigma 18-35 f1.8 will give me the reach I need for most of my shots Has anyone took a step back into these new art lens and compared the results... The a99 is a way...
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Which is a better value? Sigma 18-35mm is $725 if used, and Metabones is $649 from what I see (Canon ef version). About $1400 vs $1000 for 12-35mm Panasonic. The lens will be used with my GH4. I know the Sigma has a better/larger focus ring, and somewhat better build quality, but is it worth the price difference? After borrowing my friends Sigma + Metabones (he has the Nikon version though), it is nice, but not sure if it's worth the extra cost. One advantage I see with the Sigma and...
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I have a D610. My main priorities: 1:Does 2.8 really give a significant more amount of bokeh to the 4.5 minimum aperture? Is it worth giving up a nice light lens like the 18-35, and the 18-19mm, to have a 2.8? or is 2.8 not a huge difference in bokeh to the 4.5? 2: Which one is sharper? Overall, corners and center. 3: Which one distorts more? Chromatic aberrations on which is worse?
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Hello, I own Canon EOS 70D and I´d like to ask if its worth to upgrade lens from Canon EF 17-40 f/4 L to new SIGMA 18-35/1.8 DC HSM ART. What I care the most about is image quality. I shoot mostly outdoor portrait, weddings and proms. Thanks
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