Sigma Lente Autofoco Olho de Peixe 8mm f/3.5 EX DG Circular para Canon EOS
A Sigma 8mm f/3.5 EX DG é uma lente olho de peixe esférica que captura com facilidade uma visão total em 180° em todas as direções, em uma imagem circular. Até mesmo assuntos familiares e mundanos podem ser retratados com expressões novas através de perspectivas exageradas e efeitos de distorção incomuns.
Adequada para medidas técnicas e acadêmicas, como medidas de ângulo sólido, medições em ¿cloud cover¿ e realidade virtual.
- Melhorias
- Esta versão aperfeiçoada oferece uma abertura f/3.5 mais luminosa, com uma distância de focagem mínima altamente aperfeiçoada de 5,3 polegadas (13,5cm) e uma ampliação máxima de 1:4.6.
- Imagem Circular
- Esta lente olho de peixe circular pode ser utilizada para criar imagens circulares com um ângulo de visão de 180°. Ela permite uma expressão criativa através de perspectivas exageradas e efeitos de distorção incomuns.
- Design DG
- O design de lente DG aprimorado corrige diversas aberrações. Esta lente é especialmente revestida para a obtenção do melhor balanço de cor, reduzindo os fantasmas causados por reflexos do sensor de imagem digital. A lente oferece a mais moderna correção de aberração cromática lateral, que é um sério problema para câmeras digitais SLR.
- Equipada com AF
- Esta lente olho de peixe extrema é exclusiva, pois incorpora um sistema autofoco para obter uma focagem precisa que poderia ser difícil através do visor em virtude da ampla profundidade de campo.
- Ideal para Aplicações Científicas
- Esta lente é útil para aplicações acadêmicas/técnicas, como medidas de ângulo sólido, pois oferece uma relação ângulo/área quantificável. Ela é amplamente utilizada na ciência e indústria para medições em "cloud cover", observação do clima, estudos astronômicos, agricultura etc.
- Suporte de Filtro de Gelatina
- A lente é fornecida com um suporte de filtro de gelatina do tipo de inserção na parte traseira, permitindo o uso do filtro de gelatina.
Ir para
| Performance | |
|---|---|
| Focal Length | 8 mm |
| Aperture |
Maximum: f/3.5 Minimum: f/22 |
| Camera Mount Type | Canon EF |
| Format Compatibility |
35mm Film / Full-Frame Digital Sensor Canon (APS-C) |
| Angle of View | 180° |
| Minimum Focus Distance | 5.3" (13.46 cm) |
| Magnification | 0.21x |
| Maximum Reproduction Ratio | 1:4.6 |
| Groups/Elements | 6/11 |
| Diaphragm Blades | 6 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | None |
| Dimensions (DxL) | Approx. 2.9 x 2.7" (7.37 x 6.86 cm) |
| Weight | 14.11 oz (400 g) |
REVIEW SNAPSHOT®
by PowerReviews(based on 26 reviews)
Ratings Distribution
100%
of respondents would recommend this to a friend.
Pros
- Durable (17)
- Easily interchangeable (15)
- Consistent output (14)
- Strong construction (14)
- Fast / accurate auto-focus (12)
Cons
Best Uses
- Special effects (12)
- Landscape/scenery (8)
- Macro photography (4)
- Sports/action (4)
- Low light (3)
- Reviewer Profile:
- Professional (5), Pro photographer (5), Photo enthusiast (4), Semi-professional (4), Enthusiast (3)
- Was this a gift?:
- No (5)
Most Liked Positive Review
do VT Photography? Buy it right now.
Don't get this if you don't want to see like a fish, and don't buy it if you're not going to use it alot.
This is the best super circular fisheye I've ...Read complete review
Don't get this if you don't want to see like a fish, and don't buy it if you're not going to use it alot.
This is the best super circular fisheye I've ever owned. Sharp all the way through except for a little purple fringing near the very outter edge. Clear, bright and crisp images.
I do VTs and panos with this, and I couldn't do without (unless I wanted to take 30 or so shots to accomplish the same task).
You need to have this if you want to do panos and VT photogrpahy.
One thing to note: You see that the photo of the lens doesn't have a front cover... you read that it comes with one, BUT, you can add a standard 72mm filter to the front with the included lens cap attachment.
That attachment is removable... don't forget to take the attachment off when you're shooting without a filter!
VS
Most Liked Negative Review
More than enough
used mostly for, stitching together 360degree shots. Work great
used mostly for, stitching together 360degree shots. Work great
REVIEWS
Reviewed by 26 customers
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Displaying reviews 1-20
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Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Fast / accurate auto-focus
Cons
Best Uses
- Landscape/Scenery
- Macro Photography
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
i bought this lens for architectural purposes. so far very happy with the purchase.
- Was this a gift?:
- No
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Small
- Strong Construction
Cons
- No filter thread
Best Uses
- Architecture
- Architecture interiors
- Landscape/Scenery
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I use this lens on full frame and crop sensor bodies to take pictures of interiors of homes and college residence halls. This leans is great for stitching pics and limiting the number of shots for panoramic shots.
- Was this a gift?:
- No
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Rugged
- Strong Construction
Cons
Best Uses
- Spherical 360
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
Excellent for spherical panos. With a full frame camera you can capture a full pano in only 3 shots. With a crop sensor 5 shots are needed. The clarity of this lens is superb. For batch stitching and HDR panos this is an excellent lens as it produces repeatable results. On a full frame camera I prefer a 10-10.5mm, but this lens functions beautifully.
- Was this a gift?:
- No
Pros
- Consistent Output
- Strong Construction
Cons
Best Uses
- Extreme Angles
- HDRI for VFX
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
Excellent lens for HDRI images of an entire room or scene. So far best method I've found:
1. Mark your tripod at 0º, 120º, and 240º.
2. Place the tripod in the scene. Make sure tripod and ballhead are level.
3. Set your ISO as low as possible given the situation (lighting and environment).
4. Shoot five exposures, two stops apart, changing your shutter speed only.
5. Shoot on set of five exposures for each of the three positions marked on your tripod (total of 15 exposures).
Make sure to remove both the front filter cap AND the removable "filter holder".
Ideal for such a specific use!
- Was this a gift?:
- No
Pros
- Fast / accurate auto-focus
Cons
Best Uses
- Macro Photography
- Sports/Action
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
great i recomend
- Was this a gift?:
- Yes
Pros
- Durable
- Easily Interchangeable
- Lightweight
- Rugged
- Strong Construction
Cons
Best Uses
- Indoors/Low Light
- Landscape/Scenery
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I bought this product exclusively for spherical panoramic photography and used with my Canon 7D i can cover the whole sphere in only 5 photos. The image quality of this lens is outstanding and the lens comes with a strong and durable little holder or case to protect it against bumps and knox when storing it
- Was this a gift?:
- No
Pros
- Durable
- Easily Interchangeable
- Lightweight
Cons
Best Uses
- Indoors/Low Light
- Landscape/Scenery
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
panoramic photography,flowers,
"I have recently purchased this lens mainly for panoramic use and so far find it to be a quality product for the money."
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Rugged
Cons
Best Uses
- Landscape/Scenery
- Macro Photography
- Weddings/Events
- Wildlife Photos
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
This is a must have if you are a serious photographer. The images are great!
Pros
- Consistent Output
- Durable
- Fast / accurate auto-focus
- Lightweight
Cons
Best Uses
- Landscape/Scenery
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I love this lens. If you lay the camera flat on its back you get a 360 degree photo.If people are standing in a circle, about 10 feet from the camera, while doing this you will get an artistic portrait that is gauranteed to bring ooha and aahs.My only complain is that you frequently have a ring around the circle, I guess light is reflecting around in there where it shouldnt.I wish I bought it years ago.
Pros
- Consistent Output
Cons
Best Uses
- Panoramic Photography
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I use this lens for panoramics and bought it because it's made for full format cameras. I work with it on my Canon 5D-MKII and on my 7D and I like the results on my 7D more (for the use of stiching panoramics, of course).
The lens is flare sensitive (quite normal for a fisheye) and it could be sharper.
For a lens like this the auto-focus is useless, always go for manual focus and use the hyperfocal distance. The scala on the lens is not accurate, do some test shots and memorize (or tape) the setting.
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Fast / accurate auto-focus
- Good Bokeh
- Lightweight
- Rugged
- Strong Construction
Cons
- A little spendy
Best Uses
- Indoors/Low Light
- Landscape/Scenery
- Macro Photography
- Night Photography
- Sports/Action
- Video
- Weddings/Events
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I've been holding off on getting one of these as I always had my traditional fisheye. But over the years, I still wanted to give myself another perspective on how to shoot. So I finally coughed up the dough & picked one up. Now I'm kicking myself that I didn't get one years ago. I LOVE IT!
If you're a photographer looking for a different perspective on things for your work, this is the lens for you!
Cheers!
David Esquire
Pros
- Consistent Output
- Durable
- Lightweight
- Rugged
- Sharp Focus
- Strong Construction
Cons
Best Uses
- Interiors
- Landscape/Scenery
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I was looking for a lens to do Spherical Photography and did quite a bit of research and found that the 8mm Sigma lens was one of the best. I am very pleased with the results I'm getting with this lens.
Pros
- Durable
- Easily Interchangeable
- Quick Focus
- Strong Construction
Cons
Best Uses
- Landscape Photography
- Night Photography
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
Fantastic for VR imaging. I am still finding the sweet spot for sharp forcusing on my children and wedding portraits but all in all I LOVE this lens!
Pros
- Durable
- Easily Interchangeable
- Rugged
- Strong Construction
Cons
- Heavy
Best Uses
- Landscape Photography
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
wow...amazing fisheye i had a fisheye adapter...garbage this fisheye is amazing. full 180 degree view super wide lens. i love it. absolutly amazing lens! :D
Pros
- Image quality
Cons
Best Uses
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I would have kept the lens if I only knew that the lens cap attachment sleeve is removable!I put it on my full-frame sensor DSLR, expecting the image circle to nearly completely fill the vertical height of the frame, but it measured only 19 mm, which wasted a lot of space (and resolution). I also noticed that it was definitely not a full 180-degree angle of view, which was critical to me. There was also a lot of flare caused by the rings where the lens cap attaches.This was all very disappointing and I returned the lens to B&H [...]As it turns out, all three of these problems were the result of me leaving a sleeve on the lens that is used to attach the lens hood. This piece appeared to be an integral part of the lens, like a built-in lens hood, and it simply never occurred to me that it was removable! I wasn't being stupid; my other wide-angle lenses both have built-in lens hoods, and I somehow assumed that this one did too.The lens was otherwise perfect and I did snap a few pictures with it before deciding to return it, and it produced extremely sharp images at f/8 on a tripod with no chromatic aberration. If you plan to defish the image through software, you can expect good results. The only problem I noticed is that the distance scale ring is off by quite a bit, and shows 1 metre when actually focused to infinity. This is the only reason that I'm giving it 4 stars instead of 5. It doesn't mean that the lens misfocuses. Autofocus was quick and accurate.If you need a 180-degree image circle with high-quality results, then I recommend buying this lens, just know that you have to REMOVE THE LENS CAP ATTACHMENT SLEEVE before using it!
Pros
- Durable
- Easily Interchangeable
- Lightweight
- Sharp Focus
- Strong Construction
Cons
- Slow Focus
Best Uses
- Night Photography
- Special Effects
- Sports/Action
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
I love this lens
i buy to do underwhater surf photos, but now e take for every place i go...
real 180°
good crystal
the only thing I didn't like the corners are black, but just making a difference in picture
Pros
- Consistent Output
- Durable
- Easily Interchangeable
- Quick Focus
Cons
- Heavy
Best Uses
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
used mostly for, stitching together 360degree shots. Work great
Pros
- A very nice case
- Consistent Output
- Durable
- Easily Interchangeable
- Lightweight
- Rugged
- Sharp Focus
- Strong Construction
Cons
Best Uses
- General Use
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
The build quality of the lens is high, with bright images are sharp and bright. Color saturation is excellent; essentially it is a very well-made lens.
With a Fisheye lens it is hard to find a really unique image because everything around you is brought into the picture. With the extreme depth of field this lens provides I expected some image fall-off at the edges, but the corner to corner sharpness I saw in my images was impressive.
Although a bit pricey for a "fun" lens I think it is an excellent buy because this lens will provide unique, high-quality images that most other photographers will not be able to get.
Pros
- Consistent Output
- Easily Interchangeable
- Lightweight
- Strong Construction
Cons
- Lens hood falls off
Best Uses
- 360 panoramas
- Special Effects
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
Great lens for panoramas. Also for fun photos, but be careful whose nose you have in the center of the frame, 'cos some people don't like the effect :p. It focusses fine, and has a huge (long) dof. On a 1.6 crop body you can a panorama in 5 shots + nadir. The postprocessing is much easier and takes far less time than with canon 10-22mm (which is btw also a great lense) and the results are very similar in quality. The only drawback is the resolution after stitching (around 9000x4500 vs 11000x55000 on canon 10-22) but for most applications with panoramas it's perfectly ok.
Great lens and if you're into panos, have a canon body, than there is no better way to go.
Pros
- Lightweight
- Sharp Focus
Cons
Best Uses
- Portraits
- Special Effects
- Sports/Action
Comments about Sigma 8mm f/3.5 EX DG Circular Fisheye Autofocus Lens for Canon EOS:
Great choice for professionals, good image quality.
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