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

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

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

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: APS-C / DX
  • Sony Alpha 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

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:
  • Sony Alpha 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

Our Winner: 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

Pros Of 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

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

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

General Sigma 18-50mm F2.8-4.5 DC OS HSM Sigma 17-50mm F2.8 EX DC OS HSM
Brand Sigma Sigma
Lens Type Zoom Zoom
Price CHECK PRICE CHECK PRICE
Lens Type Standard Zoom Standard Zoom
Lens Mount Sony Alpha Sony Alpha
Max Format APS-C / DX APS-C / DX
Focal Range 18-50mm 17-50mm
Image Stabilization Yes Yes
Colour Unknown Unknown
Zoom Method Rotary (internal) Rotary (extending)
Power Zoom
Zoom Lock
Zoom Ratio 2.8X 2.9X
Aperture
Max Aperture F2.8 – F4.5 F2.8
Min Aperture F22.0 – F36.0 F22.0
Aperture Ring No No
Diaphragm Blades 7 7
Optics
Optical Elements 16 17
Optical Groups 12 13
Special Elements 2 SLD glass elements 3 aspherical elements 2 FLD glass elements 2 glass mold elements 1 hybrid aspherical lens
Focusing
Min Focus Distance 0.3m 0.28m
Max Magnification 0.24X 0.2X
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 395g 565g
Diameter 74mm 84mm
Length 89mm 92mm
Materials Metal mount Metal mount
Weather Sealing No No
Filter Thread 67mm 77mm
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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