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0
votes
0answers
21 views

Looking for sigma adaptor to canon EOS 550d [duplicate]

Here's the situation.. I'm looking for a sigma lens adapter to a CANON 550D. The lenses are: A Sigma ZOOM, 24-70 mm, 1:3.5-5.6 UC; A Sigma ZOOm, 100-300 mm, 1:4.5-6.7 UC; Minolta AF ZOOM 35-70 mm, ...
9
votes
5answers
2k views

is there a real difference between “digital” and “film” lenses?

I'm looking at the Sigma 20mm F1.8 EX DG ASP RF lens right now to use on a 35mm film Camera (Nikon N80). The DG stands for "Digital Full Frame" according to Sigma, but they don't say what the ...
0
votes
2answers
548 views

Sigma 17-50 f/2.8 or Sigma 17-70 f/2.8-4 (C) for Canon 600D

I know this has been asked alot.. I have Canon 600D with Canon EF-S 18-135mm f/3.5-5.6 and Canon 50mm f/1.8 lenses. I'm looking to upgrade the zoom lens with something with better IQ, sharpness, ...
0
votes
1answer
143 views

Why doesn't my Sigma lens autofocus if the subject is initially way out-of-focus?

I have a Sigma 150mm F2.8 EX DG OS HSM APO Macro lens mounted on my Canon 6D. Even if AF mode is set to minimum-to-infinity range, if my subject is way out of focus (too far or too near), like, say, ...
0
votes
1answer
155 views

Do I need an adapter to mount a Sigma lens to a Canon Rebel Ti3?

I bought a Sigma 70-300mm DG 4-5.6 Macro Zoom Lens for my Canon Rebel T3. Do I need an adapter of some sort to be able to attach the lens to my camera?
0
votes
1answer
634 views

How is the quality of the Sigma 18-300 DC Macro lens?

I'm considering the less expensive Sigma 18-300 DC Macro lens vs. the (way) more expensive Nikkor 18-300. Would I be losing the gains by buying a 24 MP Nikon 3200 if I went with the Sigma?
0
votes
2answers
216 views

Lightroom lens information incomplete for Sigma lenses

When I import my photos in lightroom, the ones taken with Sigma lenses does not show the exact model designation contrary to Canon lenses that are presented with the full information. On my sigmas ...
0
votes
1answer
404 views

Will a “Sigma AF Telephoto 1:5.6 f=400mm Multi-Coated Lens Japan for Canon AF 072” work with Canon EF mount?

Just have a quick question, recently purchased a cheap Canon 1DMK2 but until then I have exclusively used Sony DLSRs so I am not familiar with Canon mounts/lenses. I have been looking on eBay for a ...
1
vote
1answer
340 views

What is the DIY repair potential of a Sigma 24-70mm f2.8 EX DG Macro (non HSM) lens?

Summary: Can anyone provide useful experience based comment on the potential for or cost of repair of the "zoom bearing" mechanism in this lens specifically or with lenses liable to be similar? My ...
0
votes
2answers
207 views

Macro lens for general purpose shooting

I have a EOS 650D camera and 50mm prime lens for it. At the moment I am thinking about upgrade and looking for a not too much expensive zoom lens. I read that Sigma 17-70mm F/2.8-4 DC Macro OS HSM ...
6
votes
1answer
384 views

When focusing at max zoom, focus is lost after zooming out. Is that normal?

On my Canon kit lens, I could completely zoom in, focus on the object and then zoom out to take the picture with the object still in focus. Now I have a Sigma 18-200mm (with a Canon 600D) and that ...
0
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3answers
3k views

70-200mm lens: Canon or Sigma? f/2.8 or f/4?

I was thinking of buying a Canon EF 70-200m f2.8 mk1 (I would love to buy mk2 but here's a noticable difference in price, at least in my country), but after awhile I came to the conclusion that this ...
0
votes
1answer
466 views

What Nikon cameras is a Sigma AF-k lens compatible with?

I was recently given a Sigma AF-k lens and told it was Nikon compatible. I am trying to get a better handle of what the AF-k stands for. I have both a Nikon F4s and a D5100 that I use and not ...
2
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4answers
725 views

Which of these lenses allows a greater amount of light through at f/1.4: Canon 35mm f/1.4 or Sigma 35mm f/1.4?

I'm looking for a wide aperture wide angle lens to use with my 5D III body. I'm planning to use this lens for reportage shots in low light conditions. After doing some research, I'm trying to decide ...
2
votes
1answer
238 views

Why are the rings on my Sigma 28-80mm lens stuck?

I use a Sigma 28-80mm on a Canon Rebel EOS. Neither the zoom nor the focus rings will turn. Is there something that I could diagnose the problem? Can I fix this myself or will I have to send it in for ...
1
vote
2answers
2k views

What Canon/Tamron/Sigma standard zoom lens to choose?

I have a Canon 600D with a kit 18-55 f3.5-5.6 IS II lens. Now I want to upgrade it with my not very loose budget. Three main things I want to improve with a new lens are: larger aperture better ...
1
vote
2answers
401 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
vote
1answer
213 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 ...
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
vote
1answer
227 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 ...
2
votes
1answer
318 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
278 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 ...
3
votes
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 ...
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 ...
15
votes
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
355 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
vote
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
341 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
672 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 ...
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
votes
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 ...
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
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 ...
18
votes
9answers
17k 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
944 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
515 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
676 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 ...
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
9answers
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?