Item Description
Sigma's new 17-50mm F2.8 EX DC OS HSM large-aperture standard zoom lens
covers a focal length from 17mm wide angle and offers a large aperture of F2.8
throughout the entire zoom range, making it ideal for many types of photography
especially portraiture and landscapes.
The OS, Sigma's anti shake feature offers the use of shutter speeds
approximately 4 stops slower than would otherwise bepossible. The OS feature
allows Sony and Pentax users the option of viewing a stabilized image in the
viewfinder, a feature offered only by Sigma.
HSM provides fast and quiet AF. Sigma's own FLD glass elements, which have
performance equal to fluorite along with two glass mold and one hybrid
aspherical lens, provide excellent correction for all types of aberrations. The
Super Multi-Layer coating reduces flare and ghosting. This lens boasts superior
peripheral brightness and provides sharp, high contrast images even atthe
maximum apertures. With a minimum focusing distance of 11 inches throughout the
entire zoom range and a magnification ratio of 1:5.
When you need to stand ready for any photo opportunity you need a fast
aperture so you can shoot in low existing light or at maximum range with a
flash. This Sigma lens is perfect. With its compact size and light weight, it's
a necessary addition to your camera bag.
*Vignetting will occur if the lens is used with digital cameras with image
sensors larger than APS-C size or 35mm SLR cameras.
* For Pentax and Sony mount, when the OS function of lens body is used,
please turn the stabilizer function of camera body off.
* It is not possible to use the built-in OS function and AF of this lens with
Pentax ist *series and the K100D.
Specifications:
| Lens Construction |
17 Elements in 13 Groups |
| Angle of View |
72.4-27.9 |
| Number of Diaphragm Blades |
7 |
| Miminum Aperture |
f22 |
| Minimum Focusing Distance |
28 cm / 11 in |
| Filter Size (mm) |
77 |
| Maximum Magnifications |
1:5 |
Dimensions (Diameter x Length) |
83.5x91.8 mm/3.3x3.6 in |
| Weight |
565g / 19.9oz. |
| Corresponding Mounts |
Sigma, Nikon, Canon, Sony/Minolta, Pentax
|