Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
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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
64 views

Bad focus. Is it me or my body (D7000)?

So I have a D7000. Grey market, which I didn't find out until after I had to send it in to get serviced. And it's never felt as...sharp as it should be. I always assumed it was just me. I am going on ...
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0answers
40 views

95mm circular polarizer: B+W, Sigma, or other?

I'm looking for a high quality circular polarizing filter to fit a Sigma 150-600 zoom lens with a 95mm diameter, and the options at this size seem somewhat limited. Notably, the Hoya Pro1 CPL that's ...
0
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1answer
80 views

Tamron or Sigma 70-300mm for Nikon ?

I am looking to buy my first macro lens and I am between two: SIGMA 70-300 mm f/4-5.6 DG or Tamron 70-300mm F4/5.6 DI LD Macro (Nikon AF). Which one is better ?
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4answers
633 views

Why does my Sigma lens make a high-pitched ringing noise on my Canon camera?

I have a Canon EOS T3i 600D. When I use a Canon-branded lens (18-55mm), the camera works well. When I change to the Sigma macro 18-250mm and turn the camera on, I can hear a ringing noise, like ...
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1answer
35 views

What should I do if AF isn't working on my lens after sending it to Sigma for a different repair?

I have bought a Sigma lens for my Canon 600D. Since the beginning the photos were slightly blurred and lacked sharpness, independently of the aperture. So I sent it to Sigma for service. When I got ...
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2answers
69 views

How do I disable autofocus on my Nikon with a Sigma 10-20, which has no manual focus switch?

Just purchased a Sigma 10-20 f/4-5.6 DC HSM lens. In attempting to capture astrophotography, the lens continuously tries to find a focal point in the sky, and doesn't. So I attempt to turn it to ...
1
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1answer
113 views

Sigma 18-35 f/1.8 poor image quality

I recently bought for my D3300 two new lens. The Nikon 50mm f/1.8 and Sigma 18-35mm f/1.8 Art. As I expected, due to specifications and measurements in DXOMark, the 50mm lens is awesome. A lot more ...
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0answers
28 views

SIgma 70 - 300 APO DG Macro Lens Zoom doesn't working after 270 [duplicate]

My new Sigma 70 - 300 APO DG Macro lens zoom ring is not working after 270mm. In this situation what can I do? N.B: No external pressure is not given.
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0answers
61 views

Travel arrangements with Sigma Lenses? [duplicate]

I know there are a lot of threads on travel photography, I read some, but found that most are out of date, however, manufacturers kept innovating, and that starts to confuse a lot of newbies like me. ...
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2answers
41 views

Does the Sigma 70-300 AF-D work on the Nikon D3200?

When I mount the lens the camera asks me to set the aperture to the lowest setting and lock the ring. When I lock the ring the lens works but the auto focus is non existent. The seller on eBay that I ...
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2answers
76 views

Can RAW -> DNG convertion harm image data?

I tried Adobe DNG Converter with X3F files produced by Sigma DP1x and everything seemed fine until a couple of files I found with the same symptoms: (OK) Sigma Photo Pro (.X3F -> .JPEG): ...
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3answers
301 views

Why don't Canon and Nikon lock out third-party lens makers?

Context Odd question but looking at the market, I see Tamron/Sigma making lens for first-party companies such as Canon, Nikon and Sony. For manual lens such as Zeiss ( for Canon/Nikon) I see that ...
0
votes
1answer
498 views

Is the new Sigma MC-11 Converter just another alternative to adapters such as metabones?

Apparently Sigma has a new adapter that can be used to mount Canon lenses on the A7 lineup of mirrorless full frame bodies. ...
6
votes
4answers
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 ...
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0answers
53 views

Canon vs Sigma vs Tamron lenses? [duplicate]

Is there a significant quality difference between lenses made by Canon and those made by Sigma or Tamron? Specifically, I have been looking at the EF 300mm f/2.8L IS II USM: but if the Sigma or ...
2
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1answer
178 views

Zoom lens “pops” around a certain focal length. What failure is my lens showing?

For a while my Sigma 18-50 f/2.8-4.5 lens has been shaking the viewfinder image once in a while. After asking a related question I settled for the explanation that it was the image stabilisation ...
1
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1answer
88 views

Sigma 18-35mm f/1.8 rattling sound

Just bought it used and when I shake it it makes a rattling sound. I know lenses with stabilization usually make that sound but this lens hasn't got that. So, is it normal or is something wrong? It ...
0
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3answers
121 views

How can I decide between the Sigma 10-20mm f3.5 or f/4-f5.6 for real estate? [closed]

I manage an estate agent in the UK and we use a mixture of professional photographers and our own in-house staff to photograph property. We're looking to upgrade our hardware and would like to know ...
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3answers
1k 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 ...
2
votes
2answers
129 views

Will old Sigma and Tamron EOS lenses work on Canon 600D?

I have a Canon EOS 5 with a Tamron 28mm to 300mm AF lens and a Sigma 100 to 300mm lens. Both work well with EOS film cameras (I've had several in the past). I am now looking to upgrade the body to a ...
2
votes
3answers
4k 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
vote
5answers
1k views

How important is it to buy the Sigma USB dock?

I'm going to buy the Sigma 18-35mm f/1.8. Is it worth spending $60 on the dock? I've read in reviews that it's a bit unnecessarily complicated to use, but that's not my primary concern. Can I do just ...
32
votes
8answers
5k 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 ...
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2answers
45 views

Where can I get a replacement lens hood for my Sigma 28mm f1.8?

I have a lens (the Sigma 28mm F1.8 EX DG Aspherical Macro) but the lens hood is lost. Where can I buy a new one? Can I use any lens hood that fits my lens?
3
votes
2answers
154 views

How do the 50mm f/1.4 lenses from Sigma and Canon compare?

I'm looking to buy a "nifty 50" for my APS-C Canon. I'm stuck between the Canon EF 50mm f/1.4 USM Lens and the Sigma 50mm f1.4 EX DG HSM. What are the significant differences between these lenses and ...
3
votes
3answers
2k 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 ...
7
votes
1answer
1k views

Why are photos taken with my old lenses all out of focus on my new Nikon D5300 body?

My Nikon D80 died, and I was bought a new D5300, body only. All the photographs are out of focus when I use the lenses I used with my D80. Why would this be? I'm using the Sigma 18-50 f/3.5-5.6 DC, ...
0
votes
2answers
9k views

How do you add lens profiles to Adobe Lightroom?

I just received my Sigma 18-35 and love it. I use Lightroom for editing and according to Adobe, the Sigma 18-35 f 1.8 is supported. When I go to lens correction, I don't see the lens available. Do ...
0
votes
0answers
46 views

How can I use sigma zoom 100-300mm on my new Nikon D5100? [duplicate]

Is it possible to use a Sigma zoom 100-300mm lens on my new Nikon D5100? I tried fitting it but couldn't. Can you suggest an adaptor or something that I can fit into to use this lens on my Nikon ...
1
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3answers
294 views

Which mount is this Sigma lens for?

I have lens that does not fit my Nikon or Canon. Can someone tell me what camera this lens is for?
2
votes
2answers
205 views

Why does my lens refocus when the f-stop is changed?

I have a prime Sigma f1.4 50mm lens on my Nikon D90 in P mode and focus mode on a set point of the field and notice that when I am using a tripod and change the f-stop that the camera changes the ...
1
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1answer
153 views

TTL seems not to work on D7000 with sigma ring flash for dental photography

Cameras: D100 D7000, lens Nikon 105mm macro, Sigma ring flash Photos taken: facial head shots from approx 6 feet away from subject (f10) and dental intra-oral photos including frontal, right and left ...
1
vote
1answer
172 views

Can a Sigma dp3 quattro be used for Macro Photography?

I am considering to spend more time on macro photography of everyday items, centimeter sized, in most cases larger, say 5 cm and up. (No tiny ladybugs etc). Photography authorities say a macro lens is ...
0
votes
1answer
113 views

Is Sigma AF 70-300 f/4.0-5.6 DG APO Macro compatible with Nikon D5100?

Is the Sigma AF 70-300 f/4.0-5.6 DG APO Macro compatible with the Nikon D5100 camera?
0
votes
1answer
4k 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?
2
votes
2answers
360 views

Can changing metering mode change focus?

I've Canon 600D and I use the back button to focus and the shutter to meter, I've been using spot metering for over 2 years for now and I understand what's the difference between it and evaluative, I ...
0
votes
2answers
137 views

what is the camera fstop and lens fstop correlation? [duplicate]

my sigma 50-500mm DG lens has range of f 4.5 - f 6.3, but in my Canon 70D camera I can still set fstop to 22 in manual mode. 1)How these two correlate? 2)Would a f22 setting in camera will have no ...
0
votes
2answers
588 views

High Speed Sync with Canon 7D and Sigma EF-610 DG Super

Does anyone know how or if high speed sync can be triggered using a Canon 7D and a Sigma EF-610 DG Super? After making all the settings as per the 610's manual, as soon as I meter/focus the camera ...
1
vote
2answers
292 views

Results of a Sigma 12-24mm Full Frame Ultra wide lens on a Canon 70D

I've ordered the Canon 70D and I'm looking for a good wide angle lens for interior architectural photography. I've got a good opportunity to get a Sigma 12-24mm Full Frame Ultra Wide Lens fairly ...
0
votes
1answer
118 views

Can the Sigma 2x teleconverter be hacked so it will work with the Sigma 50-500mm?

Does the autofocus hack (where you mask off connectors on the teleconverter to make it misreport the aperture) work on sigma 2x teleconverter fitted on Sigma 50-500mm DG lens for Canon cameras?
0
votes
1answer
46 views

Canon 1000D and sigma ef-610 flash issues

I have a canon 1000D DSLR and a Sigma EF-610 flash. The Flash seems to work find in full Auto mode when attached to the camera body, but when I try to use it off camera I run into problems. When the ...
0
votes
1answer
991 views

Which Low light zoom lens with image stabilization for DSLR [closed]

Recently started doing some DSLR videos for a website. For testing purposes I got a t5i with Sigma 50mm 1.4F lens. Most videos are in low-light settings. I've been using a tripod and it's worked ...
4
votes
2answers
1k 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 ). ...
0
votes
2answers
884 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
1answer
250 views

How does the Minolta AF 24 mm f2.8 compare to the Sigma AF 24mm F2.8?

I have an APS-C Sony A77 and I am looking for a 'walk around lens' which is wide enough to take around the city and fast enough for lower light conditions, ideally below 200€ german. With these ...
3
votes
2answers
3k 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 ...
27
votes
10answers
2k 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?
0
votes
1answer
93 views

Which polarizer is better [duplicate]

I have been looking at get a polarizer and some nd filters for my sigma 50mm art lense. From my research, it looks like the best are B+W and Hoya. Does anybody have any experience with either brand on ...
1
vote
1answer
90 views

What should I buy? (new body vs. lens) [duplicate]

Right now I have a Nikon D3100, a Sigma 50mm f1.4 (older version). Right now I have almost 1300$. What do you think I should buy? I'm hesitating between the Nikon D7100 or buying a Sigma 35mm f1.4 ...
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votes
1answer
510 views

Sigma 18-35mm F1.8 Canon

not sure if this is the right place to ask but I have been on the waiting list for the Sigma 18-35mm F1.8 DC HSM A Canon lens for a while. I'm getting pretty anxious, my wife is due in 2 weeks, so I'm ...