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Sigma 30mm F2.8 EX DN- Sony E 330965

by Sigma
| 7 answered questions

Available from these sellers.
Sony E 330965
  • Sony E Mount
  • Double-sided aspherical lens
  • 45mm equivalent focal length
  • Linear AF Motor to ensure accurate and quiet autofocusing

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2 new from $388.88 9 used from $149.00

There is a newer model of this item:

Sigma 30mm f2.8 DN Lens (Sony E)
Usually ships within 1 to 4 months.

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Technical Details

Product Description

Style: Sony E 330965

30mm F2.8 EX DN

Product Details

Style: Sony E 330965
  • Product Dimensions: 1.5 x 2.4 x 2.4 inches ; 4.8 ounces
  • Shipping Weight: 8.8 ounces
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0078ZYBP0
  • Item model number: 330965
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (104 customer reviews)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at March 23, 2012

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Customer Questions & Answers

Customer Reviews

Build Quality: The build quality is good.
The images are sharp, nice color, and contrast.
In sum, this is a fine lens and a good value.

Most Helpful Customer Reviews

56 of 58 people found the following review helpful By Austin on July 10, 2012
Style Name: Sony E 330965 Verified Purchase
The sigma 30mm f2.8 is a compact lens designed for a future compact mirrorless by sigma, but has been ported to m4/3rds and the nex mount. The 30mm translates to 45mm in 35mm terms, which gives us an almost normal focal length. Along with the 19mm, Sigma has created the first third party autofocus primes for mirrorless systems. Neat! The lens is compact in size (about the size of my 50mm 1.7 Minolta AF lens), and the front element is VERY small. The back element is large, allowing for a small design with minimal distortion and good coverage across the frame. The most important features of this lens are the focal length, and size. 50mm is often the most desired focal length in a system, which is 35mm in APS-C terms. Since the NEX system has large amounts of adaptable glass, this would seemingly be non-issue. But 35mm lenses are large for film cameras, due to retrofocus designs. Often the adapter and 35mm lens combination would leave you with a very long lens, and fast aperture (as in f2) 35mm lenses are even bigger. The only convenient options in terms of size available until this lens were the 35mm f1.7 CCTV lens (which has unbearable corner performance and vignetting, though a good lens if used stopped down marginally and centralized composition), the Contax G 35mm f2 (hard to come by, and the adapters are expensive, and lastly the Voigtlander 35mm 1.4 (very good lens, small with great construction, but expensive). So this lens represents something pretty significant, especially considering the autofocus capabilities.

The sharpness of this lens is unreal. Bar none. On MTF curves for the Nex 7, it beats out Leica lenses (scored in the 1000's wide open in center, and high 900's stopped down in corners). This is the sharpest lens you will put on your NEX, bar none.
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67 of 71 people found the following review helpful By Michael McKee TOP 1000 REVIEWERVINE VOICE on April 22, 2012
Style Name: Sony E 330965
Sony has made some brilliant cameras with its NEX line. They are small, light and produce great images. The problem is that there is only one small and light Sony lens for the cameras, and it's not in a general purpose focal length. Panasonic, Olympus and Samsung all produce small fixed focal length lenses and they sell well. Sony hasn't. My guess is that the video people designed the lens line, not still photographers, which leaves the NEX cameras lacking compared to other small, interchangeable lens camera makers. Enter Sigma. This lens isn't quite pancake small, but it is compact and very light. It is optically better than any Sony NEX lens except the 1.8 50mm and the 1.4 24mm, both of which cost many times as much. In the case of the 24mm Zeiss designed lens that's $900 more. Ouch.

The 30mm Sigma works out to 45mm equivalent for a full frame/film lens, which is pretty darn close to the standard 50mm lens that many film photographers got on their cameras. It's a very versatile focal length, versatile enough that this lens can be left on the camera much of the time. It makes my NEX-5N into a great street photography camera. And did I mention that it is sharp across the frame, with good color and contrast. At f/2.8, it's pretty fast, much more usable than the kit lens for low light photos. The existence of this lens actually convinced me to go with Sony rather than micro four-thirds.

All is not perfect. Nothing is. The lens seems to slow the camera start up time. It doesn't appear to be ultra-durable, though no NEX lenses do. That's the price of the the light weight. No complaints. Nobody will mistake this for an expensive lens, build quality is adequate and so is the finish, nothing more.

In absolute terms, I'd guess this is a 4 star lens. But for $200, it's a great bargain and compliments the NEX cameras. Actually, it makes the NEX line much more attractive for street photography.
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42 of 45 people found the following review helpful By Gerard Garcia on April 6, 2012
Style Name: Micro 4/3 330963
After making a complete switch from 4/3 to m4/3, the 14-42mk2 kit lens, though very good, just wasn't doing much for my creativity.

A lot of m4/3 users will say that the Panasonic 20/1.7 is a must-have and similarly, the Olympus 45/1.8 is also a must-have, however, the former is too wide and the latter is too long. Though a 'normal' lens would have been good, there aren't many 'normal' 25mm options for m4/3 that were within my budget.

Luckily, the Sigma 30/2.8 is available and it meets my needs. It's sharp and focuses very quickly. It's small enough (not small like a pancake lens, but it's just right) and still keeps my EPL1 down to a compact size.

As with any Sigma lens (I've owned two for 4/3 before), there are a few quirks:
- The new 'linear' focusing mechanism is fast, but when the camera is not on or if it's not mounted, it shakes around. I don't know what this means in terms of durability, but the lens has a 3-year warranty. We'll find out, eh?
- The aperture blades stop down automatically when in bright environments, but will return to what you set it to when capturing.
- The front element is quite small, but the rear element is about twice the size. Kind of weird, but not an issue.

All in all, I like the lens. The 60mm EFL is usable for me, but it's not for everyone. I like it since it's close enough to my favorite lens, the Zuiko Digital 35/3.5 macro, which I'm still using on my m4/3 kit with an adapter.

Sure, it's not 'fast' like the 20/1.7, but if the room is dark enough, I'll use a flash or put the camera away. Sure it's not as compact as a pancake, but I'm not about to put my camera in my pocket anyway.

For $199, it was a no-brainer.
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