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Home » Compare Lenses » Sigma 17-50mm F2.8 EX DC OS HSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM

Sigma 17-50mm F2.8 EX DC OS HSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM

Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Sigma 17-50mm F2.8 EX DC OS HSM vs Sigma 18-50mm F2.8-4.5 DC OS HSMto review specs, pros and cons, and which is right for you.

Sigma 17-50mm F2.8 EX DC OS HSM Top Features

  • 17-50mm Focal Range
  • F2.8 Max Aperture
  • Image Stabilization
  • Filter Thread: 77mm
  • Max Format: APS-C / DX
  • Canon EF Mount
  • Weight: 565g.
  • Diameter: 84mm
  • Length: 92mm
  • Min Focus Distance:0.28m
  • Max Magnification:0.2x

Sigma 17-50mm F2.8 EX DC OS HSM

Sigma 18-50mm F2.8-4.5 DC OS HSM Top Features

  • 18-50mm Focal Range
  • F2.8 – F4.5 Max Aperture
  • Image Stabilization
  • Filter Thread: 67mm
  • Max Format:
  • Canon EF Mount
  • Weight: 395g.
  • Diameter: 74mm
  • Length: 89mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.24x

Sigma 18-50mm F2.8-4.5 DC OS HSM

Our Winner: Sigma 17-50mm F2.8 EX DC OS HSM over Sigma 18-50mm F2.8-4.5 DC OS HSM

Focal Length – Wide 17mm vs 18mm
Optical Zoom 2.90x vs 2.80x
Max Aperture – Tele 2.8 vs 4.5
Minimum Focus Distance 0.28m vs 0.3m

Pros Of Sigma 18-50mm F2.8-4.5 DC OS HSM over Sigma 17-50mm F2.8 EX DC OS HSM
Internal Zoom Yes vs No
Weight 395g vs 565g
Diameter 74mm vs 84mm
Length 89mm vs 92mm
Filter Thread 67mm vs 77mm
Max Magnification 0.24x vs 0.2x

Cons Of Sigma 17-50mm F2.8 EX DC OS HSM and Sigma 18-50mm F2.8-4.5 DC OS HSM
Weather Sealing No vs No

Sigma 17-50mm F2.8 EX DC OS HSM vs Sigma 18-50mm F2.8-4.5 DC OS HSM All Features

General Sigma 17-50mm F2.8 EX DC OS HSM Sigma 18-50mm F2.8-4.5 DC OS HSM
Brand Sigma Sigma
Lens Type Zoom Zoom
Price CHECK PRICE CHECK PRICE
Lens Type Standard Zoom Standard Zoom
Lens Mount Canon EF Canon EF
Max Format APS-C / DX APS-C / DX
Focal Range 17-50mm 18-50mm
Image Stabilization Yes Yes
Colour Unknown Unknown
Zoom Method Rotary (extending) Rotary (internal)
Power Zoom
Zoom Lock
Zoom Ratio 2.9X 2.8X
Aperture
Max Aperture F2.8 F2.8 – F4.5
Min Aperture F22.0 F22.0 – F36.0
Aperture Ring No No
Diaphragm Blades 7 7
Optics
Optical Elements 17 16
Optical Groups 13 12
Special Elements 2 FLD glass elements 2 glass mold elements 1 hybrid aspherical lens 2 SLD glass elements 3 aspherical elements
Focusing
Min Focus Distance 0.28m 0.3m
Max Magnification 0.2X 0.24X
Autofocus Yes Yes
AF Motor Type Ultrasonic Ultrasonic
Full Time Manual No No
Focus Method Internal Internal
Distance Scale Yes Yes
DoF Scale No No
Distance Scale Yes Yes
Focus Distance Limiter No No
Physical Specs
Weight 565g 395g
Diameter 84mm 74mm
Length 92mm 89mm
Materials Metal mount Metal mount
Weather Sealing No No
Filter Thread 77mm 67mm
Filter Notes Does not rotate on focusing Does not rotate on focusing
Hood Supplied Yes Yes
Hood Code Unknown Unknown
Tripod Collar No No
Optional Accessories
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