Sigma Canon EF mount Superzoom
Sigma 18-125mm f/3.8-5.6 DC OS HSM
Quick answer
The Sigma 18-125mm f/3.8-5.6 DC OS HSM is a ultra-wide to short telephoto superzoom lens covering 18-125mm at f/3.8 for the Canon EF mount. Its moderate maximum aperture works best in good light or with a higher ISO.
- APS-C (29–200mm equiv.)
- 23 Canon EF cameras
- Focal
- 18–125mm
- Aperture
- f/3.8–22
- Filter
- 67mm
- Min focus
- 0.35m
- AF motor
- HSM
What 18-125mm sees
- APS-C crop 1.6× → 29–200mm
- 12.3–73.8° 10.3–64° horizontal
Diagonal angle of view. Frames drawn to scale at 18mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorSigma 18-125mm f/3.8-5.6 DC OS HSM specifications
Optics
- Focal length
- 18-125mm
- Maximum aperture
- f/3.8
- Minimum aperture
- f/22
- Format coverage
- APS-C
- Optical construction
- 16 elements in 12 groups
- Aperture blades
- 7
- Image stabilization
- Yes
Focus
- Autofocus motor
- HSM
- Minimum focus distance
- 0.35 m
- Maximum magnification
- 0.26×
Physical
- Filter thread
- 67 mm
Specification source: sigma-global.com
What can you shoot with the Sigma 18-125mm f/3.8-5.6 DC OS HSM?
At 18-125mm this is a ultra-wide to short telephoto superzoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
- Landscapes and cityscapes
- Street and travel photography
Its moderate maximum aperture works best in good light or with a higher ISO.
Frequently asked questions
What mount does the Sigma 18-125mm f/3.8-5.6 DC OS HSM use?
It uses the Canon EF mount, so it fits Canon EF cameras directly.
What is the focal length of the Sigma 18-125mm f/3.8-5.6 DC OS HSM?
It zooms across 18-125mm with a maximum aperture of f/3.8. That makes it a ultra-wide to short telephoto lens.
Is the Sigma 18-125mm f/3.8-5.6 DC OS HSM a prime or a zoom lens?
It is a zoom lens covering 18-125mm, so you can reframe without moving. Its maximum aperture is f/3.8.
What is the Sigma 18-125mm f/3.8-5.6 DC OS HSM equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 29–200mm on full frame, with a 10.3–64° horizontal and 12.3–73.8° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 18-125mm f/3.8-5.6 DC OS HSM fit?
Any Canon EF-mount camera, including Canon EOS 1D C, Canon EOS 1D X, Canon EOS 5D, Canon EOS 5D Mark II, and Canon EOS 5D Mark III and 18 more.
Alternatives for Canon EF from other brands
All Canon EF lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Canon EF
All Sigma lenses
Other 18-125mm lenses
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