Sigma 17-50mm f/2.8 EX DC HSM Sony Alpha

Sigma 17-50mm f/2.8 EX DC HSM Sony Alpha
$359
17-50 mm
autofocus 2.9x zoom lens
f/2.8
fixed aperture
  • Designed for APS-C Sony Alpha DT
  • Sigma HSM Built-in focus motor

compatibilitywith digital cameras

Pros

The Sigma 17-50mm f/2.8 EX DC HSM Sony Alpha vs other Digital camera lenses

Fixed aperture Fixed aperture Help
The same maximum aperture at all focal lengths
Wide minimum Good narrowest aperture Help
f/22

Cons

The Sigma 17-50mm f/2.8 EX DC HSM Sony Alpha vs other Digital camera lenses

Prime lens Zoom lens Help
Typically not as sharp as prime lenses

The Sigma 17-50mm f/2.8 EX DC HSM Sony Alpha vs other Digital camera lenses

Zoom range Poor zoom range Help
2.9x

Specifications

General

Min focal length
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17 mm
Max focal length
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50 mm
Zoom range
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2.9x
Magnification
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1:5 (0.2)

Aperture

Wide maximum
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f/2.8
Wide minimum
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f/22
Tele maximum
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f/2.8
Tele minimum
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f/22

Features

Auto focus
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Yes
above average above average
Focus motor
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Sigma HSM
Image stabilization
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None
Fisheye
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No
Tilt-shift
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No

Form factor

Lens mount
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Sony Alpha DT
Length
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91 mm
Diameter
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84 mm
Filter size
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77 mm
Weight
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0.6 kg

Angle of view

Wide horizontal
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69.5°
Telephoto horizontal
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26.6°
Wide vertical
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49.3°
Telephoto vertical
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17.7°
Wide diagonal
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79.5°
Telephoto diagonal
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31.6°

Competitors

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