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.
- 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
The accessories are : two 62mm filters, the hood, the front cap and the rear cap.
<P>This Sigma 30mm F1.4 EX DC HSM lens, built for professional use, is a high quality prime lens suitable for professional use delivering outstanding optical performance for the discerning photographer. As a large aperture standard lens for digital cameras with a fast 1.4 aperture makes handheld shooting in dim light possible. 30mm corresponds to the diagonal of the imaging sensor found on most small chip cameras and as such, functions as a normal lens closely replicating the human eye's field of vision.</P> <P>For use with smaller chip APS-c and 4/3 cameras only</P> <P>HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus</P> <P>Aspherical glass elements offer correction for distortion</P> <P>Special Low Dispersion (SLD) & ELD (Extraordinary Low Dispersion)glass provides optimum color correction & sharpness</P> <P>A lens hood, front/rear lens cap and carrying case are included with the lens.</P> <P>Specifications<BR>Lens Construction 7 Elements in 7 Groups<BR>Angle of View 45º (1)<BR>Number of Diaphragm Blades 8<BR>Mininum Aperture f16<BR>Minimum Focusing Distance 40 cm / 15.7 in<BR>Filter Size (mm) 62<BR>Maximum Magnifications 1:10.4<BR>Dimensions<BR>(Diameter x Length) 76.6 x 59 mm/3.0 x 2.3 in<BR>Weight 430g / 15.2oz.</P>