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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.

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1answer
112 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?
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2answers
113 views

How can I use a wireless trigger with a Sigma flash and a Nikon D3000?

I have a Nikon d3000 - jjc wireless flash trigger kit & Sigma EF 500 flash. I have a hotshoe & tripod also. I can get it to work together only when I am less than a foot away. I have 2 sets of ...
0
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4answers
102 views

Looking for a telephoto zoom lens - Tamron, Canon or Sigma?

Are Tamron and Sigma trustworthy as compared to Canon? I am a beginner, so please help me. I have my kit lens Canon 18-55 mm. However I am looking for a telephoto zoom lens. For this reason a Canon ...
0
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1answer
70 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
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1answer
63 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?
3
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1answer
149 views

How do the Sigma flashes compare to (and work with) Canon flashes on Canon bodies?

Sigma produces some very powerful flashes, like the Sigma EF-610 DG ST and Sigma EF-610 DG Super, that cost a fraction of what Canon charges for their Speedlite of same guide number. I'm already ...
2
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1answer
63 views

Is it expected for the Nikon D5100 and Sigma 150-500mm mounting to be very tight?

I have a query regarding the Sigma 150-500 mounting on a Nikon D5100. I have got my Sigma 150-500mm today.... I am feeling that the lens is very tight to mount on my D5100. Is this expected?? I have ...
1
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3answers
368 views

Compatibility of Canon teleconverters with non-Canon lenses

I have two APS-C (70D and 600D) bodies with Canon EF and EF-s lenses, and Sigmas, among them the Sigma 70-200 f2.8 HSM OS. I am also considering getting the new Tamron 150-600 lens, pending reviews. ...
1
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2answers
148 views

Can I adapt a Sigma SLR lens made for Pentax K mount to a Nikon DSLR camera?

I now have a Nikon D3200 and the lens is not great. Can I adapt my Sigma Aspherical IF 28-300mm zoom lens, which I'm currently using on a Pentax MZ-30?
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3answers
1k 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 ...
0
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0answers
38 views

How can I fire a Sigma 610dg Super with a TriggerTrap Flash Adapter?

I have a Sigma 610dg super flash that I wish to trigger with the TriggerTrap flash adapter (tt-fa1). Sadly I cannot make this work. I have tried two different TriggerTrap dongles but the flash never ...
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2answers
108 views

Nikon lens adaptor for Sigma f/4.5 70-210mm

Someone gave me a Sigma f/4.5 70-210 lens and it won't fit my Nikon D3200. Does anyone know what lens adapter I need?
0
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2answers
101 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
254 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 ...
31
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8answers
3k 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 ...
1
vote
1answer
263 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 ...
4
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2answers
413 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
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1answer
233 views

Nikon D70 and Sigma EF-500 DG Super NA-iTTL Flash

I have a D70 and Sigma flash gun, which I understand should work with the camera. I have read it is important to have the iTTL versions of the flash gun for it to be able to work with the iTTL ...
2
votes
3answers
1k 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. ...
9
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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 ...
2
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4answers
469 views

Is 24mm F/1.8 Prime lens blur bokeh is good (not distorted face) for portraits

I want to buy and do a photos+video interview with Sigma F/1.8 24mm Fixed Prime. I did profile photos/interviews with my Sigma 85mm F/1.4 on My Sony A77 APS-C camera. I used to use F/1.7-F/2 as a ...
0
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1answer
362 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
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2answers
170 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 ...
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2answers
211 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
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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
2answers
440 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
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1answer
313 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
265 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
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4answers
689 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 ...
0
votes
1answer
753 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
954 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 ...
11
votes
1answer
390 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
175 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
207 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 ...
3
votes
3answers
908 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 ...
2
votes
2answers
1k 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
650 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
327 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
191 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
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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
1k 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 ...
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2answers
382 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
910 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 ...
26
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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?
10
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2answers
840 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 ...
3
votes
1answer
779 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
297 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) ...