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A Lente Autofoco Sigma 50mm f/1.4 EX DG HSM é uma lente padrão que oferece uma abertura grande máxima de f/1.4. Esta é a lente principal ideal para o uso com todas as câmeras SLR de filme ou digital Sony ou Minolta Maxxum. Quando usada em câmeras SLR digitais Sony com o sensor de tamanho APS-C menor, a distância focal equivalente dessa lente será 75mm, o que a torna uma excelente opção como uma lente telefoto média luminosa. Sua grande abertura f/1.4 permite imagens com contraste nitidamente definidas diante de um fundo lindamente fora de foco. A lente oferece luminosidade periférica superior até na abertura máxima e corrige possíveis reflexos.
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.
Essa lente também incorpora HSM (Motor Hiper Sônico), que assegura um AF silencioso e de alta velocidade bem como a possibilidade de troca para focagem manual a qualquer momento.
| Performance | |
|---|---|
| Focal Length | 50 mm |
| Aperture |
Maximum: f/1.4 Minimum: f/16 |
| Camera Mount Type | Sony Alpha, Minolta AF |
| Format Compatibility |
35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor) |
| Angle of View | 46.8° |
| Minimum Focus Distance | 1.48' (45 cm) |
| Magnification | 0.13x |
| Maximum Reproduction Ratio | 1:7.4 |
| Groups/Elements | 6/8 |
| Diaphragm Blades | 9 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | 77 mm |
| Dimensions (DxL) | Approx. 3.3 x 2.7" (8.38 x 6.86 cm) |
| Weight | 1.11 lb (505 g) |
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
Considered the Sony 50mm 1.4 first, but came across the Sigma in reviews online and ultimately decided to go with the Sigma. The Sigma is larger and heavier which may not be good for travel, but feels very rugged and solid in construction. 1.4 helps with low light situations and provides nice bokeh at all apertures.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
This lense lives up to it's dPreviews review. It probably is the best 50mm lens in the field. It works perfectly with the Sony Alpha a55 as a 35mm equivalent 75mm lens. Good for the candid street photography that I like to do. It's sharp, fast, no vignetting, no flare--excellent overall.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
Beautiful portrait lens... I have used this and the Sony f/1.4, and they were both quite tricky at f/1.4. But when you get it right, it's great.
Silent auto focus is great.
Lens quality is great.
Sturdy... kind of heavy and quite big for a 50mm.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
Very good lens. It is a bit soft at 1.4 but sharpens up from 2.8.
The issue is the manual focus ring. As I'm writing this, the lens has been returned for another one. The manual focus ring on this lens was very STICKY and not smooth.
I will write another update when the new lens arrives.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
After retiring my Rokkor 58mm 1.1.2 I needed something up to date capable of delivering those astonishing results I had gotten with my Rokkor.
To have a re-branded Minolta 50mm 1.4 launched in 1985 today just didn't sound that good...specially given today's progress in optics and AF motors.
So I gave a try on this fairly recent Sigma prime, and I just adore it!
AF is fast, silent and responsive on my A900. The 77mm filter tread actually worked on my favor given most of my lenses use 77mm filters. The hood is well build, although it's always made of plastic...
The minimum focusing distance is normal, that is 45 cms. Most 50mm unless Macro focus at this distance... including my 35 year old Rokkor
It looks very much like an 85mm 1.4 lens! It's sharp strait out at 1.4, and at 5.6 it's a beast...
I'm not sure if this lens is IF, but front element does not rotate. According to the latest trends in photo hardware, this lens only hacks weather sealing.
I find this lens weights the right amount, as it also feels right on both my A700 and the A900, specially with the grip on.
If I could have the option of a metal hood with linen ( like the carl Zeiss, without having to pay 130 Usd for it...)it would be a plus.
Finally, I'd put my hands on fire and say this lens exceeds in every aspect the Minolta/Sony version...which indeed may be a wake-up call to Sony...
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
great forlow light situations
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
I use this as my prime lens it works great in low light. It also has worked great in landscape and infrared photographs.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
I use this lens for portrait. After testing out the Sony 50mm f1.4 and the Sigma 50mm f1.4, I decided to go for this Sigma version. This lens is sharper at fully open f1.4, the HSM drive make focusing fast and silent.
Built quality is great, the lens hood is rigid and snap tightly. There is a AF/MF switch on the lens body, but I seldom use, because of HSM, I can override the AF anytime.
Do note that the front element moves in an out during focusing, I am afraid dust might get its way into the barrel. I quickly protect this lens with a 77mm filter. (Yes! it is big at 77mm for a 50mm prime).
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
This Lens is very bright, with an ease of focus over it's complete range.As an Event/Fashion-Portrait Photographer i use this 50mm as my main lens. A crisp and detail prime lens.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
Bought this for low light indoor shooting. I had the Minolta 1.7 and this absolutely blows it away. The bokeh is super smooth and it is sharp at 1.4. I was worried about focusing, but on my A700 it is spot on. I love this lens. It is nice to buy a product and exceed expectations. Highly recommended. It is big compared to other 50mm, but not so much that it bothers me, actually makes the others feel too small.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
I bought the Sony 50 1.4 but really was unhappy with it (see my review) so I got this. I love camera so have several of different brands. A 50 f/1.4 goes on them all! Much sharper throughout the range and has a good feel on the camera. Auto focus is not as fast as Nikon or Canon versions I have, but not slow by any means and pics are very competitive. I might even say a bit better wide open. The focus ring is a bit rougher than I like but not uncomfortable, a bit smoother be nice. This is more of a personal preference rather than a flaw in my opinion. I gave it 4 stars rather than 5 due to price a focus speed. At this price Focus needs to be up to par with the big names if not passing it. Over all this is a great lens that any Sony user should have.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
after few years of using different zooms I decided to buy normal 50 and iam really happy .
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
I really like the lens, its fast and has great bokah. Its taking me some time to get used to a fixed focal length. I've been spoiled by macro-zooms. But the fixed 50mm is perfect for serious portraiture and it makes you thik more about framing. Did some excellent panoramas in San Diego last week with this and they are stunning.
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Comments about Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens for Sony Alpha & Minolta Maxxum:
I use the lens for indoor non-flash shots. I have used it at graduations, shows, dinners and gatherings. It focuses fast. You will want to control which-focus-point is being used to optimize sharpness. I am very satisfied with the lens.
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