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Sigma are a Japanese company which produce cameras, lenses and flashes. They're most widely known for their selection of lenses which are compatible with cameras from other manufacturers.

learn more… | top users | synonyms

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2answers
436 views

Would this Sigma 70-210mm f/4-f/5.6 be good for starting sport photography?

I'm starting out in photography and told to buy cannon 7D & lense 70-200 f/2.8. It's for equine photography (outdors, long distance shots etc). I've been looking on ebay and came accros this - ...
1
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1answer
221 views

What lens and mount is this Sigma lens for Canon?

I have recently been given old(ish) Sigma 55-200mm lens for Canon (not EF mount), I believe that it is f/4-5.6. It is zoomed by pulling the barrel out. What mount is it? And what specifications does ...
2
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2answers
2k views

Sigma 70 - 210 auto focus lens Compatability with Nikon DSLR

I'm having a problem deciding on a course of action to replace my Nikon F401X. I only have a Sigma 70-210 1:4-5.6 lens in the mix. My dilemma is this: I am considering buying a Fujifilm Finepix ...
7
votes
2answers
2k views

Canon 50mm f/1.8 vs Canon 28mm f/1.8 (vs Sigma 30mm f/1.4)

I have the nifty-fifty and I am in love with the kinds of images it can produce, particularly when it comes to portraits. I really enjoy the lens, but I have one problem; it is a little bit too tight ...
1
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1answer
245 views

Compatibility of a Sigma Lens adapted to a Minolta 7000 A/F camera with a Sony Alpha 330 Camera

I have a Minolta 7000 A/F film camera, circa 1986. I also have a Sigma 75-300 A/F Lens which works well with that camera. I have since updated to the Sony Alpha 330 camera and the original Minolta ...
-3
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2answers
515 views

Cheap telephoto lens with zoom higher than AF-S DX VR Zoom-Nikkor 55-200mm

I currently own an AF-S DX VR Zoom-Nikkor 55-200mm f/4-5.6G IF-ED lens, but I feel that the 200mm maximum zoom is not enough always. I've found two cheap options: Sigma 70-300mm F4-5.6 DG Macro ...
4
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1answer
901 views

Is it worth to buy old Sigma lens instead of Nikkor?

I'm amateur and I want to try something new. I have Nikon D3100 with Nikkor AF-S DX VR 55-200/4,0-5,6 G ED and I'm shooting everything - animals, landscape, people, sport, ... (like real amateur :D ). ...
2
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1answer
325 views

Are there any sample images out there taken with ND filter and the Sigma 8-16mm lens?

I am deciding on getting an ultra-wide lens mostly because a lot of my shots are taken at 17mm and it's often not wide enough. I narrowed it down to either the Sigma 10-20mm or Sigma 8-16mm. (APS-C) ...
6
votes
4answers
283 views

How do I clean the external forward-facing glass on my lens?

How do I clean the external forward-facing glass on my lens? Over the last year or so of use it has accumulated a little dust and a translucent smear mark. Nothing serious, but I'd like to remove ...
2
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1answer
636 views

Canon vs Sigma 18-200 lens?

Which is better in terms of sharpness and chromatic aberration, the Sigma 18-200 DC OS HSM or the Canon EF-S 18-200 IS kit lens? I've read reviews on both lenses on dslrgear and other sites, but i ...
3
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3answers
1k views

Is focusing problems on Sigma lenses still a problem on a Canon body?

I am considering purchasing the Sigma 70-200mm f/2.8 EX DG HSM II Macro Lens. The problem is that many reviews point out that the lens has front focus problems, at least on a Canon mount. But those ...
0
votes
2answers
600 views

Is the 'Sigma 18-200mm F3.5-6.3 II DC OS HSM' compatible with my D5000, and will it autofocus?

Is the 'Sigma 18-200mm F3.5-6.3 II DC OS HSM' compatible with my D5000, and will it auto focus? As seen here: http://www.digitalrev.com/product/sigma-18-200mm-f3-5/MTMyMzM_A + ...
2
votes
2answers
2k views

How good is Sigma 70-300mm F/4-5.6 DG Macro Lens

Planning to buy this lens for my D-90, but not sure how good it is, though i have narrow down my search based on budget constraint. But i have read that it has given good results for wildlife ...
2
votes
1answer
1k views

Why doesn't my Sigma EF-500 flash work properly with my new Canon 60D?

I've recently upgraded to a 60D (from a 300D) and have just tried my Sigma EF-500 DG ST flash. This used to work fine on the 300D but on the 60D when using it in TTL mode the flash defaults to the ...
15
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7answers
2k views

What are the real-world differences between Canon, Sigma and other third-party 70-200 f/2.8 lenses?

I'm getting started with wedding photography, and was looking for a fast telephoto zoom to compliment my Tamron 17-50 f/2.8 (on a Canon 500D/T1i). After extensive online research, the 70-200 f/2.8 ...
2
votes
1answer
358 views

Is Sigma 50-500mm EX DG HSM lens compatible with a Nikon D90 body?

Aloha, Can anyone tell me if the Sigma 50-500mm EX DG HSM lens (non OS model) is compatible with a Nikon D90 body? I recently purchased this lens on eBay but it seems that the lens will not ...
3
votes
4answers
3k views

Why am I getting soft images with my Sigma 24-70 f2.8?

I recently purchased a Sigma 24-70mm f2.8 lens which I am using on a Canon 40D body. Around 8 of 10 shots were soft, regardless of subject matter. Exposure, white balance etc. all looks fine. I only ...
1
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5answers
4k views

What is the best 3rd party cheap lens for shooting events with canon 600D?

I would like to buy a 3rd party lens for my Canon 600D, I am looking more for shooting at events like parties. I'm looking for something cheap with a large zoom range.
2
votes
5answers
350 views

What to replace a mediocre Sigma 18-200mm with?

I'm thinking about options to replace my Sigma 18-200mm. I have a Canon T1i and a Canon 50mm f1.8. With the Sigma I wanted an "all round" solution, but as it turns out the lens is neither fast nor ...
5
votes
3answers
3k views

Which filters could I use with Sigma 8-16mm f/4.5-5.6?

I am very keen on purchasing the Sigma 8-16mm f/4.5-5.6 DC HSM lens, but one of the draw backs of this lens is that I can't put normal / standard filters on it. Can anyone please advise if I could ...
32
votes
8answers
4k views

Do I really need a fast 50mm lens?

Everyone I speak to says that a 50mm lens is the best and beats them all as an all-rounder. I was wondering whether to get myself a decent, fast 50mm as well. However I'm still not 100% sure whether I ...
2
votes
5answers
4k views

Sigma 150-500 f/5-6.3 vs Sigma 50-500 f/4-6.3 for birds in flight?

Finally made the decision to buy a Canon 7D for my wife. Her photography is continually improving. Flying bird and distance photography with her existing canon EOS 450D and 70 -300 lens. Can someone ...
2
votes
6answers
678 views

Which Telephoto Zoom Lens?

I am an enthusiastic hobbyist who uses the camera for social events/parties once or twice every week. My current kit is Canon 60D and for close up portraits, I am using Sigma 85mm F1.4 and for my ...
5
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3answers
2k views

What causes auto-focus “freezing”?

On occasion, the auto-focus system in my camera and/or lens just stops working. I'll be holding down the shutter release halfway and tracking a subject and I can feel/hear the auto-focus system ...
4
votes
5answers
1k views

Are Sigma DC 18-50 1:2.8 EX sharpness problems common with wide apertures?

I got this Sigma DC 18-50mm f/2.8 EX MACRO HSM lens few weeks ago, but I noticed considerable sharpness problems with wide apertures. Until f3.5 (or even f4.5) this lens can't really be used. I would ...
9
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3answers
1k views

Performance of Sigma 85mm F1.4 EX DGM on Canon 60D

As the Sigma 85mm f/1.4 EX DG HSM was originally designed for Full-frame cameras, how would the performance be affected if I use it on Canon 60D (APS-C camera). Q1) I need confirmation that this lens ...
2
votes
3answers
3k views

Is Sigma 17-70mm f/2.8-4 DC OS or Canon 17-55mm IS USM the better general purpose lens?

I'm looking for a new general purpose walk around lenses for my Canon XTI Rebel. Right now I have a the original Sigma 17-70 f/2.4-4.5 that does not have image stabilization, and looking to upgrade to ...
5
votes
5answers
1k views

macro lens for artwork with the T2i

This is a follow up to my first query about photographing artwork. There was a consensus that I go with a macro lens: Canon T2i for shooting artwork? I think I'm finally ready to purchase. I found ...
11
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3answers
890 views

What are differences between Bayer mosaic and Foveon 3 layer sensor?

To filling my appetite on camera things hunger I've came across to Sigma website and found this 3 layer sensor stuff. Can anyone really explain this based on their experience or research about this? ...
7
votes
7answers
444 views

How come some 3rd-party lenses cost more than those from the manufacturer?

I was trying to save some cash on a 50mm f/1.4 for my Nikon d7000. I see the Nikon 50mm f/1.4 costs almost $400 USD. I thought a 3rd-party lens would be cheaper so I checked out the equivalent Sigma ...
11
votes
3answers
985 views

What effect does the lens hood have on pictures and how does its shape impact that? [duplicate]

I have a Sigma 50mm lens f1.4 and it has a lens hood that has a sine wave shape going around the perimeter of the lens. I imagine this particular shape is useful for getting a particular effect and ...
11
votes
4answers
3k views

Is Canon EF 24-70mm f/2.8 L USM Lens that much better than Sigma 24-70mm f2.8?

I am looking for a 24-70mm f2.8 lens for general use and low light gig/concert photography. The 2 I am looking at are: Canon EF 24-70mm f/2.8 L USM Lens ...
2
votes
1answer
346 views

Which Better Beamer model for the Sigma EF-530 DG Super Flash

I'm looking to order a Better Beamer flash extender for my Sigma EF-530 DG Super flash however, I can't find which model would fit it. Anyone can point me to the right model? Thanks
18
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9answers
18k views

What features differentiate Nikkor and Tamron/Sigma lenses?

I'm wondering if anyone has an opinion about Nikkor vs. Tamron and/or Sigma lenses. Is it worth the extra money to purchase Nikkor lenses? I haven't had the chance to compare these. Are the Nikkor ...
10
votes
2answers
993 views

How can I determine if my Sigma 10-20mm lens copy is appropriately sharp and focusing right?

I just purchased a Sigma 10-20mm lens (Canon mount) and based on the reviews I was aware that many people receive copies of the lens that are soft or don't focus properly. I purchased from B&H, so ...
4
votes
3answers
528 views

The green light is blinking on D5000 when I mount a Sigma 24-70 EX DG Macro

I just got the lens. I know it doesn't autofocus on my camera body because it doesn't have built in motor but at least it should be usable in manual mode right?
5
votes
2answers
701 views

Which Nikon-mount Sigma macro zoom lens for a beginner?

I am a photography beginner. I have a Nikon D90 with the kit lens. I am planning to buy an additional lens. I started with a Canon S3IS, and shot some macro photos, which I think are good. I want ...
5
votes
2answers
853 views

Wider angle lens for indoor photography?

I'm an amateur photographer and only just picked up my first DSLR (went for a 50D with a basic 18-55mm Canon IS lens) and was considering purchasing a wider angle lens such as the Sigma 28mm f/1.8-22 ...
12
votes
4answers
1k views

Sigma 10-20mm f5.6 alternatives?

I've been wanting to add a wide angle lens to my collection for a while now. Sigma 10-20mm f5.6 looks good. I was looking at it about 2 years ago. I was wondering if there have been newer wide angle ...
9
votes
5answers
4k views

Which lens is sharper? The Sigma 18-50mm f2.8 or the Tamron 17-50mm f2.8?

Specifically: Sigma 18-50mm f/2.8 EX DC Macro (not the previous non-macro version. HSM is only on Nikon fit) Vs. Tamron 17-50mm f2.8 SP XR Di II LD VC Lens (not the cheaper one without vibration ...
26
votes
10answers
1k views

Are Sigma lenses comparable to Canon lenses for a Canon camera?

I always feel that I should buy a Canon lens for my Canon camera, and Sigma would just be a cheap knock-off. Is that the case?