Product Description

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Product Details

• Brand: Sigma
• Model: B0007U0GZM
• Dimensions: 4.90" h x 5.00" w x 8.70" l, .95 pounds

Features

• 30mm focal length
• 2 low-dispersion glass elements; glass mold aspherical lens element
• 45-degree angle of view
• 15.7-inch minimum focusing distance

Amazon.com Product Description
Designed to match the APS-C size image sensors of Canon digital SLR cameras, the Sigma 30mm f/1.4 lens is an ideal choice for a wide range of applications, including snapshots, portraiture, indoor shooting, and landscape photography. The 30mm lens relies on two special-low-dispersion glass elements and a glass-mold aspherical lens. Combined, the construction details correct for all types of chromatic and color aberrations. The lens is also equipped with a Hyper Sonic Motor (HSM) that supports quiet, high-speed autofocus, but also turns off should you prefer full-time manual focusing. Other features include a maximum aperture of f/1.4, a 62mm filter mount, and a one-year warranty.

Specifications

• Focal length: 30mm
• Maximum aperture: f/1.4
• Lens construction: 7 elements in 7 groups
• Angle of view: 45 degrees (SD format)
• Number of diaphragm blades: 8
• Minimum aperture: f/16
• Minimum focusing distance: 15.7 inches
• Maximum magnification: 1:10.4
• Filter size: 62mm
• Corresponding AF mounts: Canon
• Dimensions: 2.97 inches in diameter and 2.3 inches long
• Weight: 15.2 ounces
• Warranty: 1 year

From the Manufacturer

This large aperture 30mm 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 centimeters (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 Value, Fantastic Results
i bought this lens last year before going to England. I kept it on my xti practically the entire time I was there, except for the architectural shots I took with my 10-22 wide canon lens. This prime lens provided very high quality shots with a beautiful bokeh. For the price, i have no right to give this lens less than a 5 star rating; and for sigma to produce a lens with a nice professional matte feel and size- this one is hard to beat. I'm still startled by the amazing clarity and sharpness in my images- it's better than real life to be honest.

Sharp, but with lots of CA (wide open)
This lens is extremely sharp at f1.4, which is of course the whole point. The problem I have with this lens is the Chromatic Aberration at f1.4 is very strong. I was not able to remove it using Lightroom 2, by this I mean moving the sliders all the way to either direction. This mostly occurs during strong contrast situation, like for outdoor portraits in harsh sun. I did not want to have to put up with the CA from the lens and the slow focusing despite the HSM, so I sent the lens back.

The build quality was very good though.

Outstanding lens - if you get a good copy
I've read a lot of good things and seen a lot of images taken by the Sigma 30mm f/1.4 lens, so I decided to get one from Amazon. First copy I got was no good. It was out of focus on both my Canon 20D and 350D. So I returned it immediately, and thanks to the good return policy of Amazon, it was no hassle to do so.

I ordered another one. It was fantastic. All I've read and seen about it was true. Now I could take low light pictures without dreading the noise at high ISO with fantastic bokeh to boot and without paying an arm and a leg for the Canon equivalent.