Quick answer
A stabilized standard zoom for APS-C DSLRs with a constant f/2.8 aperture. It weighs about 565 g and takes 77mm filters.
Pros
- Constant f/2.8
- Optical stabilization
- HSM autofocus
- Close focus 0.28 m
Cons
- APS-C only
- Not weather sealed
Verdict
A popular choice for Nikon crop bodies, especially second-hand.
About this lens
A 17-50mm f/2.8 APS-C fast standard zoom lens, the Sigma 17-50mm f/2.8 EX DC OS HSM is designed for Nikon F mount bodies, with Optical Stabilizer and Hyper Sonic Motor autofocus. A bright standard zoom for APS-C cameras with a constant f/2.8 aperture.
Sigma 17-50mm f/2.8 EX DC OS HSM specifications
- Brand
- Sigma
- Mount
- Nikon F
- Focal length
- 17-50mm
- Maximum aperture
- f/2.8
- Lens type
- Zoom
- Format coverage
- aps-c
- Optical construction
- 17 elements in 13 groups
- Aperture blades
- 7
- Image stabilization
- Yes
- Autofocus motor
- HSM
- Minimum focus distance
- 0.28 m
- Maximum magnification
- 0.2x
- Filter thread
- 77 mm
- Weight
- 565 g
- Length
- 91.8 mm
- Diameter
- 83.5 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 17-50mm f/2.8 EX DC OS HSM?
- Weddings and events on APS-C
- General photography
- Low-light zoom work
Its bright maximum aperture handles indoor and evening light reasonably well.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| APS-C | 1.5x | 26–75mm | 27–70.4° | 32.2–80.6° |
Frequently asked questions
Does the Sigma 17-50mm f/2.8 EX DC OS HSM have stabilization?
Yes. Its optical stabilizer helps keep handheld shots sharp at slower shutter speeds.
What field of view does it give on Nikon DX?
Roughly 25-75mm on full frame, which covers wide-angle to short portrait.
How close can the Sigma 17-50mm f/2.8 EX DC OS HSM focus?
Minimum focus is 0.28 m, with a maximum magnification of 0.2x. The distance is measured from the sensor plane, so the working distance in front of the lens is shorter.
Alternatives for Nikon F from other brands
All Nikon F lensesSame mount, overlapping focal range, closest maximum aperture first.
Nikon
AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED
17-55mm · f/2.8 · Nikon F
Tamron
SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)
17-50mm · f/2.8 · Nikon F
Tamron
SP AF 17-50mm F/2.8 XR Di II VC LD Aspherical (IF)
17-50mm · f/2.8 · Nikon F
Nikon
AF-S Zoom-Nikkor 17-35mm f/2.8D IF-ED
17-35mm · f/2.8 · Nikon F
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