Sigma 17-50mm F2.8 EX DC HSM

mount: A-mount
prod. code: 583-205
EAN/UPC: 0085126928636
makernote ID: data needed
format: APS-C
release year: 2010
status: Current
D type lens: Yes
SLT compatible: Read this!
AF Drive: In Lens (HSM)
focus design: internal
stabilisation: No
weather sealing: No
AF-D (a99 only): No
max. aperture: 2.8
min. aperture: 22
focal range(mm): 17-50
elements/group: 17/13
angle of view: 72.4-27.9
aperture blades: 7
min. focus distance(mm): 280
filter rotate focusing: No
filter rotate zooming: No
max. magnification: 0.2x (1/5)
filter diameter(mm): 77
hood: petal shaped
color: black
length(mm): 92
weight(g): 565
standard accessories: Lens caps, hood, Case
features: OS is not available in Pentax and Sony mounts

user review ratings
overall: 4.35
sharpness: 4.58
color: 4.50
build: 4.17
distortion: 4.00
flare control: 4.50
total: 6 reviews

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Sigma 17-50mm F2.8 EX DC HSM image 1Sigma 17-50mm F2.8 EX DC HSM image 2Sigma 17-50mm F2.8 EX DC HSM image 3Sigma 17-50mm F2.8 EX DC HSM image 4Sigma 17-50mm F2.8 EX DC HSM image 5Sigma 17-50mm F2.8 EX DC HSM image 6Sigma 17-50mm F2.8 EX DC HSM image 7

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manufacturer description

Sigma 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 be possible. 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 at the 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 - Home of the alpha system photographer
In memory of Cameron Hill - brettania