Sigma 30 mm F1.4 DC lens
Published Feb 14, 2005
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dpreview staff
Pre-PMA 2005: The last of three DC (digital SLR only) lenses announced by Sigma today is the 30 mm F1.4 EX DC HSM, a lens which sounds extremely interesting on paper and will offer photographers an almost 'normal' 45 mm equiv. (on a 1.5x FOV crop digital SLR) with a super-fast F1.4 maximum aperture (great low-light focusing, lots of depth-of-field control). This lens also features Sigma's HSM (HyperSonic Motor) and will be available with Canon, Sigma and Nikon lens mounts.
Press Release:
Sigma 30mm F1.4 EX DC HSM
- 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
Sigma Corporation is pleased to announce the launch of the new 30mm F1.4 EX DC HSM lens.
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 40cm (15.7”) 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.
Sigma 30 mm F1.4 EX DC HSM lens specifications
| Focal Length |
30 mm |
| Minimum Aperture |
F16 |
| Lens Construction |
7 Elements in 7 Groups |
| Angle of View |
45° |
| Number of Diaphragm Blades |
8 pieces |
| Minimum Focus Distance |
40 cm (15.7 in) |
| Maximum Magnification |
1:10.4 |
| Filter Size |
62 mm |
| Lens Hood |
Petal Hood |
| Dimensions (dia x len) |
76 mm (3.0 in) x 59 mm (2.3 in) |
| Weight |
TBD |
| Lens mounts |
Canon, Sigma, Nikon |
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Feb 3, 2008
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Jan 31, 2008
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Jan 31, 2008
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Jan 31, 2008
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