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.
3
votes
2answers
188 views
How do you choose among different 70-300mm lens for Nikon DSLRs?
I have a Nikon D5100 and it's my first dSLR. I've played with the kit lens for a while and now want to explore the zoom category. I've shortlisted these 70-300mm lenses:
Nikon AF Zoom-Nikkor ...
0
votes
1answer
146 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 ...
0
votes
2answers
121 views
upgrading from kit lens [duplicate]
Am bit new to DSLR .Interested in landscape
My problem
I feel kit lens came along with my 650D is not giving me sharper images.(Culprit might be myself)
Budget problem for upgrading to Canon lens
...
0
votes
3answers
485 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
2answers
143 views
Will a Sigma 35mm f/1.4 cropped to DX mode give adequate results vs full-frame Nikon 50mm f/1.4?
I own a D800 and the Nikon 50mm 1.4. I'm wondering, what if I bought the new beast Sigma 35mm f1.4 (sell my nikon) and if I need a 50mm, I just enable crop mode, which roughly give me a 50mm.
The ...
6
votes
1answer
186 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 ...
3
votes
2answers
197 views
Sigma 1:4.5 70-210 for Olympus - will this work for Canon 600D with an adaptor?
I have an old Sigma Zoom lens used with a film Olympus OM10 (the lens says 'Made for Olympus).
It has manual aperture control on the lens and manual focus.
Is there any point getting an adaptor for a ...
2
votes
2answers
201 views
Sigma 8-16 vs Canon 10-22
The title says it all. I read mixed reviews about the Sigma lens and wanted to know your opinion about it. Some people say its sharpness is not that great as compared to Canon within the 10-16 range. ...
6
votes
4answers
3k 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 ...
2
votes
4answers
543 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 ...
-1
votes
1answer
189 views
Is there an adapter for a Sigma SA mount lens to fit a Canon EF mount?
I have a Sigma 24mm ultra-wide lens; does anyone know of an adaptor that will make this lens fit my Canon 1V camera?
1
vote
1answer
168 views
Which lens-mount adapter do I need to buy to use a Sigma lens on a Nikon body?
I am a beginner and have been given a Sigma zoom 28-80mm f/3.5-5.0 macro lens. I would like to try this before paying out for a more expensive macro lens but it will not fit my Nikon D5000. Could any ...
10
votes
1answer
208 views
Clipped bokeh circles at max aperture with Sigma 30mm/1.4 and Canon 450D
I recently purchased a Sigma 30mm f/1.4 lens for my Canon 450D and noticed soon that at least wide open, any bokeh circles in the lower half of an image (in landscape orientation) seem to have their ...
1
vote
1answer
111 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
115 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
828 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 ...
3
votes
3answers
608 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 ...
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
...
1
vote
2answers
538 views
Sigma 150-500 for wildlife?
I will be spending next summer up in Alaska and want to get some wildlife shooting in. I would like to start planning now for what lens to save up for.
I have been looking at the Sigma 150-500. It ...
0
votes
1answer
291 views
Sigma EF610 flash compared to Sony HVL-F43AM
I'm in the market for a flash for my Sony A57. The two I'm focused on are the Sony HVL-F43AM for around $350 or the Sigma EF610 for around $250. They both seem very similar from a feature ...
1
vote
2answers
196 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
141 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 ...
5
votes
3answers
2k 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 ...
2
votes
2answers
761 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
1k 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 ...
-3
votes
2answers
318 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 ...
5
votes
5answers
795 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 ...
30
votes
7answers
2k 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 ...
23
votes
9answers
978 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?
10
votes
2answers
654 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 ...
2
votes
1answer
557 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
votes
1answer
230 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) ...
2
votes
5answers
3k 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 ...
5
votes
4answers
221 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
votes
1answer
390 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
votes
4answers
1k 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 ...
0
votes
2answers
454 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
+
...
1
vote
2answers
628 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
653 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 ...
16
votes
9answers
11k 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 ...
8
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 ...
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
290 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 ...
4
votes
2answers
961 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 ...
10
votes
3answers
663 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?
...
1
vote
5answers
3k 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
303 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
2answers
555 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 ...
1
vote
6answers
581 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
873 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 ...



