Questions tagged [sigma]

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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119 views

What is the mount on this Sigma lens? It is smaller than Canon EF

I just got a SIGMA 17-70 1:2:8-4 DC (C) lense. Mount looks very much like Canon EF (S) but it's smaller. Added a foto from a 70-200 EF to compare. Anybody knows what this mount is for? Many thanks in ...
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Sigma DC 18-250mm Macro HSM Lens Autofocus not locking to let me click the picture

I was travelling on a trip with my camera. One day I was using my Sigma DC 18-250mm Macro HSM lens on Canon 70D in autofocus mode to take a picture. When I pressed my shutter button halfway to focus ...
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Why isn't a Sigma HSM lens autofocusing with my Nikon D5600 — is there a compatibility problem?

Today I had a chance to try a Sigma 70-200mm f/2.8 EX DG OS HSM, a 2013 model lens, on my Nikon D5600. Everything was okay. I was able to take pictures with it. But auto focus didn't work as it should....
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73 views

Fisheye image circle close to border of image

I'm using a Canon 8-15mm fisheye with a sony alpha 7R3 and a sigma adapter. I just noticed that at 8mm the circle of the image is not exactly centered; it is close to the top border of the image. ...
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Clipped bokeh circles at max aperture with wide aperture, short focal length lenses

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 ...
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1answer
110 views

Can I get good macro-photos with sigma 50mm 1.4 using extension tubes?

I'm interested in trying macro photography, but I don't want to invest into Macro-objectives yet. Can I get satisfying results using Kenko extension tubes in combination with a Sigma 50mm art 1.4? ...
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2answers
210 views

Why does my Sigma 10-20mm EX autofocus freeze up, and the camera won't shoot?

When using a Nikon D7100 and Sigma 10-20mm 1:4-5.6 EX DC HSM, the lens locks up or refuses to shoot. This lens doesn't have a Manual Focus or Autofocus button/switch. This lens is in brand new ...
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1answer
102 views

Back-focusing with Canon 7D2 body and Sigma 50mm art lens: is the Sigma USB dock the solution?

I just bought a second hand Sigma lens (50mm Art f/1.4) for my Canon 7D2 body (Mark II). This combination yields a very serious back-focus problem: With no micro-ajustements correction on my body, ...
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4answers
103 views

Entry level equipment upgrade - best options on a budget and lens vs camera

I am currently using a Canon EOS 1100D body with the kit lens and a Sigma Zoom 50-200mm 1: 4-5.6 DC OS HSM lens. I am almost exclusively interested in wildlife photography and feel I have outgrown ...
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3answers
435 views

How to find a camera compatible with old Sigma lenses that were used with Pentax MZ50 SLR?

I have some lenses off my old Pentax MZ50 SLR camera, and I would like to buy a new camera body. How do I find a compatible camera?
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Could someone share AF calibration settings for Sigma 18-35mm lens on Nikon D3300?

I have auto focus problems with Sigma 18-35 which I recently bought on D3300. I would like to see other's AF adjustment/calibration settings. I am having a hard time with setting it up. Are the ...
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60 views

Nikon D5100 struggling to autofocus on screen, but fine through viewfinder? [duplicate]

hope you can help me and my frustrating issue I have a D5100 with a Sigma 18-250mm f/3.5-6.3 dc os lens which will AF no problem at all when I'm looking through the viewfinder but when I change to ...
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1answer
379 views

Sigma's for Sony can be calibrated with Sigma Docker. What about Sony lenses?

So, I am so confused on this topic, as I can't find an information anywhere. Sigma 3 years ago introduced amazing tool - Sigma Docker that allows without having special equipment or extraordinary ...
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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 ...
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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, ...
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4answers
1k views

Nikon D5500 Autofocus with Sigma DG 150-500mm 1:5-6.3 APO HSM

Should the Nikon D5500 be able to auto-focus the Sigma DG 150-500mm 1:5-6.3 APO HSM lens? Auto-focus works with this lens on my Nikon D40X. On the D5500 it toggles between MF and AF. Video of what I ...
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2answers
896 views

Why doesn't my Sigma ring flash work in TTL mode with the Nikon D500 when it works fine with other Nikon Models?

I used to use this ring flash with my D7100 and 105 Nikon for several years. I just recently upgraded to the D500, and now all my pics are in overexposed (overblown) in TTL mode. I mostly used manual ...
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2answers
391 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 ...
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8answers
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Does it make sense to buy a Sigma Art f1.4 for a crop sensor body?

Im currently shooting on a Nikon D5300 with a 35mm f1.8 and I looking for a quality telephoto portraiture lens. I'm interested in the Sigma Art 85mm f1.4 DG HSM. I saw the lens is versatile and my ...
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343 views

Canon EOS 6D mark II with Sigma Lens looks weird on LCD Monitor

All the photos in my camera looks like a fish eye or something, maybe I'm some configuration there, any help? this is how all the photos looks like:
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1answer
240 views

How do these three 100-300mm lenses for Canon EF mount compare?

I’m trying to decide on a 100-300mm constant aperture lens to complement my current kit. I am considering the following options Canon 100-300 f5.6 L Tokina 100-300 f4 Sigma 100-300 f4 Which of these ...
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1answer
90 views

Which adapter to mount Yashica adaptor lenses on a SIGMA SA-7?

I own SIGMA SA-7 and a couple of YASHICA lenses: YAHICOR Y503 Telephoto and YASHICA Y504 wide lens, both seem to be 55 mm wide. I would like to use them with my SIGMA original lenses, 70-300 and 28-...
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4answers
1k 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 ...
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3answers
514 views

Thoughts on using Sigma 18-250mm F3.5-6.3 DC MACRO OS HSM for Macro photography

Is the Sigma 18-250mm F3.5-6.3 DC MACRO OS HSM a good lens to be used for Macro photography? I mostly try to photograph flowers and also insects sometimes. I will be using it with a Canon EOS 800D and ...
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1answer
140 views

Why won't my dSLR take photos with my Sigma 24-70 lens?

I have been using a Canon 60D for five years and recently, only when I am using my Sigma 24-70mm lens, it does not let me take pictures. When I look into the viewfinder, it is so dark (I assume that ...
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11answers
7k 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
970 views

How does the lens calibration feature of Sigma Art lenses work?

I am looking at the Sigma 18-35mm ART and the Canon 16-35mm F4L. As part of my research, I am coming across the "lens calibration" aspect of the Sigma. I am struggling to understand exactly what it ...
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1answer
705 views

How do the Tamron and Sigma 70-200mm F2.8 lenses compare for photographing high school sports?

I want to get a lens I can use for indoor high school wrestling and football. With my budget I’m between these two. Any advice is greatly appreciated! Tamron SP 70-200mm F/2.8 Di VC USD For Canon or ...
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277 views

Why is the Canon-mount Sigma 24mm F1.4 DG HSM Art sharper in the corner in DxOMark's ratings than Nikon-mount version?

Why is the Sigma 24mm F1.4 DG HSM A lens corner sharpness much better in the Canon version than the Nikon's, according to DxOMark's ratings? Canon: https://www.dxomark.com/Lenses/Sigma/Sigma-24mm-...
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2answers
710 views

Repair shop says my dropped Sigma Art lens is a write-off — but can I fix it myself?

I recently dropped my new Sigma Art 1.8 14mm lens (and 5dii). The lens has some pretty bad cosmetic damage and a few small scratches on the front element. But overall it would still be usable if I ...
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1answer
164 views

Is Sigma's lens hood LH-825-03 compatible with a 18-50 2.8 EX DC HSM Macro?

I'm looking for a replacement hood for my 18-50 f/2.8 EX DC HSM Macro, but I'm not having much success. I've instead found some hoods for the 17-50 OS (stabilized) version, which also has a 72 mm ...
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3answers
3k views

Is it normal for Sigma lenses to stop working after a Nikon camera firmware update?

I've updated firmware for my Nikon D5300 earlier... Is it normal that the autofocus on my Sigma lenses stops working after updating new firmware?
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3answers
2k views

Can the Sigma TC-1401 1.4x Teleconverter be used with Canon lenses?

Essentially the inverse of this question - can a Sigma 1.4x Teleconverter (specifically the TC-1401) be used with (actual) Canon lenses, such as the EF 70-200mm f/4? By used, I mean does it mount (I ...
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1answer
353 views

Lens optic jumping between 17-24 on Sigma 17-70 f/2.8-4 DC Macro OS HSM

I've bought a used lens and I would I am unsure if I should return it. An inner element visibly jumps between the 17-24 mark. It does not interfere with function or focusing. However, is this an ...
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2answers
1k views

Autofocus Sigma 17-70 Macro OS HSM not working on D3300

I've purchased a used Sigma 17-70mm f/2.8-4 DC OS HSM for my Nikon D3300. It appears to work fine, with one exception: the autofocus. I've checked the switch on the lens and it is set to AF. However, ...
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1answer
667 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 ...
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1answer
211 views

Why am I able to set wider aperture than my lens technically allows? [duplicate]

I'm practicing with Sigma 28 - 300mm f/3.5 - 6.3 Macro lens. And the thing I've noticed is that at 300mm focal length my aperture can be set to as wide as f/5.6. And EXIF data confirms it: I'm ...
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4answers
10k views

Are Canon extenders compatible 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. ...
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2answers
2k views

Canon 50mm f1.8 vs sigma 17-50mm f2.8 [closed]

I wish to buy a second lens. which one should I buy? I was thinking to buy a canon 50mm f1.8 as suggested by many youtube videos but then I thought why not take a zoom lens (a sigma 17-50mm f2.8?) by ...
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1k 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?
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1k 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 ...
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2answers
5k 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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684 views

Can't get my pictures sharp (Rebel Ti2 + tripod + Sigma 10-20 f/3.5 EX DC)

I'm really into landscape photography but I can't get my pictures to look sharp. They look boring and dull. I focused to infinity by using the infinity symbol on my lens and by manually focusing using ...
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1answer
525 views

How loud should the autofocus on the Sigma 10-20 f/3.5 be?

I bought a used Sigma 10-20mm f/3.5 EX DC HSM and I'm having some concerns regarding the autofocus. While it focuses quickly (tested on my Canon EOS 80D), it does so quite loudly and abruptly. That is,...
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1answer
160 views

Sigma Lens for Nikon AF D [duplicate]

I have nikon D3400 and an extra sigma lens 70-300mm DL Macro Super. They are not compatible because the lens does not have a built in af motor and d3400 also does not have af motor in it. Is there any ...
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2k 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?
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561 views

Is Sigma 150-600mm f 5-6.3 contemporary “F4-5.6” on Crop Sensor?

I bought Sigma 150-600mm f5-6.3 Contemporary DG OS HSM Lens for my Crop Sensor Canon 1300D. What I've noticed is that it gives me max aperture of f5.6 at 600MM instead of f6.3 and f4.5 at 150mm on my ...
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171 views

Lens Recommendation on aps-c Nikon for Stock and Composites

I intend to shoot Stock photos in a properly lit shotbox. At the same time need a "general purpose" lens to shoot objects and landscape (no need for macro neither portraits in close distance). ...
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3answers
5k 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 ...
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1answer
1k views

Are third-party lenses compatible with Dual Pixel Autofocus (DPAF) on a Canon 80D?

Do third-party lens manufacturers (i.e. Tamron, Sigma) support Dual Pixel Autofocus (DPAF)?