Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Canon EF-S 17-85mm f4-5.6 IS USM vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM Cto review specs, pros and cons, and which is right for you.
Canon 17-85mm f4-5.6 IS USM Top Features
- 17-85mm Focal Range
- F4.0 – F5.6 Max Aperture
- Image Stabilization
- Filter Thread: 67mm
- Max Format: APS-C / DX
- Canon EF-S Mount
- Weight: 475g.
- Diameter: 79mm
- Length: 92mm
- Min Focus Distance:0.35m
- Max Magnification:0.2x
Sigma 17-70mm F2.8-4 DC OS HSM C Top Features
- 17-70mm Focal Range
- F2.8 – F4.0 Max Aperture
- Image Stabilization
- Filter Thread: 72mm
- Max Format:
- Canon EF Mount
- Weight: 465g.
- Diameter: 79mm
- Length: 82mm
- Min Focus Distance:0.22m
- Max Magnification:0.36x
Our Winner: Canon EF-S 17-85mm f4-5.6 IS USM over Sigma 17-70mm F2.8-4 DC MACRO OS HSM C
85mm
vs
70mm
15mm more Tele coverage
5.00x
vs
4.10x
More flexible focal coverage
Yes
vs
No
Length of the lens doesn’t change during zooming
67mm
vs
72mm
Smaller filters are cheaper and easier to find
2.8
vs
4
Wider aperture at wide end
4
vs
5.6
Wider aperture at tele end
7
vs
6
Potentially more rounded and smooth bokeh
465g
vs
475g
10g lighter
82mm
vs
92mm
10mm shorter
0.22m
vs
0.35m
can focus closer to the subject
0.36x
vs
0.2x
higher magnification better for close-up shots
No
vs
No
not safe under rain and dust
Canon 17-85mm f4-5.6 IS USM vs Sigma 17-70mm F2.8-4 DC OS HSM C All Features
General
Canon 17-85mm f4-5.6 IS USM
Sigma 17-70mm F2.8-4 DC OS HSM C
Brand
Canon
Sigma
Lens Type
Zoom
Zoom
Price
CHECK PRICE
CHECK PRICE
Lens Type
Standard Zoom
Standard Zoom
Lens Mount
Canon EF-S
Canon EF
Max Format
APS-C / DX
APS-C / DX
Focal Range
17-85mm
17-70mm
Image Stabilization
Yes
Yes
Colour
Black
Unknown
Zoom Method
Rotary (internal)
Rotary (extending)
Power Zoom
No
–
Zoom Lock
No
–
Zoom Ratio
5.0X
4.1X
Aperture
Max Aperture
F4.0 – F5.6
F2.8 – F4.0
Min Aperture
F22.0 – F32.0
F22.0
Aperture Ring
No
No
Diaphragm Blades
6
7
Optics
Optical Elements
17
16
Optical Groups
12
14
Special Elements
Super Spectra coatings
2 FLD (“F” Low Dispersion) glass elements, 1 SLD (Special Low Dispersion)
glass element, 3 aspherical glass lenses including double sided aspherical
lens
Focusing
Min Focus Distance
0.35m
0.22m
Max Magnification
0.2X
0.36X
Autofocus
Yes
Yes
AF Motor Type
Ring-type ultrasonic
Micro-type ultrasonic
Full Time Manual
Yes
No
Focus Method
Internal
Internal
Distance Scale
Yes
Yes
DoF Scale
Yes
Unknown
Distance Scale
Yes
Yes
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
475g
465g
Diameter
79mm
79mm
Length
92mm
82mm
Materials
Plastic barrel, metal mount
Plastic barrel, metal mount
Weather Sealing
No
Unknown
Filter Thread
67mm
72mm
Filter Notes
–
Does not rotate on focusing
Hood Supplied
No
Yes
Hood Code
EW-73B
LH780-03
Tripod Collar
No
No
Optional Accessories
Soft Case LP1116
–
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