Product Description

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Product Details

• Brand: Sigma
• Model: B0007U0H06
• Dimensions: 4.90" h x 5.40" w x 5.60" l, .95 pounds

Features

• Designed to fit Nikon digital SLR cameras
• 30 mm focal length
• 2 low-dispersion glass elements; glass mold aspherical lens element
• 45-degree angle of view
• 15.7-inch minimum focusing distance

From the Manufacturer

This large aperture 30 millimeters f1.4 EX DC HSM lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration.

Glass mold aspherical lens at rear group of lens reduces color aberration and provides high-quality image results.

From 40 centimeter (15.7 inches) minimum focusing distance to infinity, this lens creates very sharp images with high contrast.

The HSM models provide quiet high-speed auto-focus shooting, as well as full time manual focus. Large maximum aperture of f1.4 can perform superbly in a great range of applications, including snapshots, portraiture, indoor shooting and landscape photography.

• Large maximum aperture of f1.4
• The most appropriate coating for digital SLR cameras
• Two SLD (Special Low Dispersion) glass elements and an hybrid aspherical lens, provides the utmost correction for all types of aberrations
• Equipped with HSM (Hyper Sonic Motor) system

Note to customers: Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

Customer Reviews

Great Lens
I was a little nervous about getting this lens cause I read a few reviews saying quite a few had forward focus issues. But I have a Nikon D300 with auto-focus fine tuning so I bought it. I tested it right away with a focus chart and it was 100% spot on. Mine is also very fast to focus and usually nails the focus first time. There were a few times, even in good lighting that I had to release the shutter and try again, but about the same as my other lenses except my Nikor 18-200mm, man that thing alway nails the focus on first shot. Anyway, colors look true to life and well balanced. Only slight barrel distortion, pretty much undetectable in most pics.

I gave it a rating of 4 cause there are sharper lenses available. But for this price range and these specs I'd say that it competes well. It feels solid and has a sexy finish (yes I think some lenses look sexy). My Nikor 50mm f/1.4 is a lot smaller and cheesier looking. This lens has a full body feel to it. I have had a larger than normal share of blown highlights, But I expected that from reading other reviews. In P mode I usually just stay 2/3 stops under to avoid this.

Uhmm, guess that about covers everything. I have high expectations of lenses if that helps. I like to see a clean image with crisp lines even when zoomed in at 100% (shooting RAW)

I would buy it again if I broke or lost this one.

I really like this lens
I really like this lens. I own a d60. It's fast, sharp, and i think fits/balances well with the d60 body. I don't have the front focus problems that so many mention. From what i gather, it seems that all the front focus problems are noticed with the D200 and D300. not sure if that is because of something to do with the sensors of those cameras or what. I'm no professional so take that with a grain of salt. Or maybe us d40 and d60 owners are not as exact in our skills as the d200 and d300 owners and i just don't recognized the flaws of this lens.
Anyway, i've take about a thousand photos on walkabouts so far and the colors look great, the images sharp. This lens has not been off the camera at all since then.
Good luck!

Inconsistent sharpness makes lens unreliable
I bought this lens because of all the glowing reviews on here, so I was excited to try this thing out on my D300. At first glance and while viewing the images in camera, they look fantastic, but only after they're uploaded to the computer is when you can find the flaws of this lens. Viewed at 100% it's clearly noticeable that the sharpness consistency of this lens is mediocre at best. As noted many times before here, there's a serious front focus problem and only about 50% of the images I shot were in focus and sharp while in autofocus. As a professional shooter I can't afford to have only half of my images to be in focus, so after trying it out a couple times I had to return it to Amazon.

It's unfortunate that the only Nikon equivalent to this lens (the legendary 28mm f/1.4) ebays for over $4000 sometimes, so I really wanted to like the Sigma, but I have since bought the Nikon 35mm f/2 as the replacement and it's as sharp and reliable as a Nikon lens should be. Even though it's not as fast and wide as the Sigma it's still a better made lens and can be used with more assurance of consistent results.