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

This is a full comparison between the lenses Sigma EX 18-50mm F2.8 DC Macro and Sigma EX 17-50mm F2.8 DC OS HSM.

Compare Specifications

Product
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Name Sigma EX 18-50mm F2.8 DC Macro Sigma EX 17-50mm F2.8 DC OS HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Release Year 2006 2010
Release Date
MSRP N/A 980 USD
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Lens Type
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Lens Type Standard / Normal
Macro
Standard / Normal
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Mount Canon EF-SNikon F Canon EF-SNikon F
Designed for APS-C sensor Yes Yes
Focus
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Autofocus (AF) YesNote. See below for further information Yes
Built-in Autofocus (AF) Motor No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma EX 18-50mm F2.8 DC Macro
Yes
Motor Type N/A No information
Focus Method No information No information
Closest Focusing Distance 20 cm 28 cm
Maximum Magnification
Macro 1:1 No No (No Macro lens)
Aperture
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Maximum Aperture F2,8 F2,8
Diaphragm Blades No information No information
Optics
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Construction 15 elements  /  13 groups 17 elements  /  13 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Focal Length 18-50 mm 17-50 mm
Zoom Range 32 mm 33 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No Yes
OS
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Weather Sealing No No
Diameter 79 mm 83 mm
Length 85 mm 91 mm
Weight 450 gr 565 gr
Other
Sigma EX 18-50mm F2.8 DC Macro
Sigma EX 17-50mm F2.8 DC OS HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 72 mm 77 mm
Lens Hood Included Included
Lens Hood SKU LH780-04 581 LH825-03 583
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A