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

This is a full comparison between the lenses Sigma EX 18-50mm F2.8 DC Macro and Sigma 18-50mm F2.8-4.5 DC OS HSM.

Compare Specifications

Product
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Name Sigma EX 18-50mm F2.8 DC Macro Sigma 18-50mm F2.8-4.5 DC OS HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Release Year 2006 2009
Release Date
MSRP N/A 420 USD
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Lens Type
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 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 18-50mm F2.8-4.5 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 18-50mm F2.8-4.5 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 30 cm
Maximum Magnification
Macro 1:1 No No (No Macro lens)
Aperture
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Maximum Aperture F2,8 F2,8-4,5
This lens has a variable aperture at different focal lengths.
F2,8 at 18 mm
F4,5 at 50 mm
Variable Aperture
Diaphragm Blades No information No information
Optics
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Construction 15 elements  /  13 groups 16 elements  /  12 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Focal Length 18-50 mm 18-50 mm
Zoom Range 32 mm 32 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 18-50mm F2.8-4.5 DC OS HSM
Weather Sealing No No
Diameter 79 mm 74 mm
Length 85 mm 88 mm
Weight 450 gr 395 gr
Other
Sigma EX 18-50mm F2.8 DC Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 72 mm 67 mm
Lens Hood Included Included
Lens Hood SKU LH780-04 581 LH730-02 580
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A