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

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

Compare Specifications

Product
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Name Sigma EX 50mm F2.8 DG Macro Sigma 18-50mm F2.8-4.5 DC OS HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Release Year 2003 2009
Release Date
MSRP 420 USD 420 USD
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Lens Type
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Lens Type Standard / Normal
Macro
Standard / Normal
Zoom or Prime Prime lens (no zoom) Zoom lens
Mount and Compatibility
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Mount Canon EFNikon F Canon EF-SNikon F
Designed for APS-C sensor No (Suitable for all sensors) Yes
Focus
Sigma EX 50mm F2.8 DG 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 50mm F2.8 DG Macro
Yes
Motor Type N/A No information
Focus Method No information No information
Closest Focusing Distance 18 cm 30 cm
Maximum Magnification
Macro 1:1 Yes No (No Macro lens)
Aperture
Sigma EX 50mm F2.8 DG 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 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Construction 10 elements  /  9 groups 16 elements  /  12 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Focal Length 50 mm 18-50 mm
Zoom Range None (Prime lens)
No Zoom available.
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 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Weather Sealing No No
Diameter 71 mm 74 mm
Length 66 mm 88 mm
Weight 320 gr 395 gr
Other
Sigma EX 50mm F2.8 DG Macro
Sigma 18-50mm F2.8-4.5 DC OS HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 55 mm 67 mm
Lens Hood Included Included
Lens Hood SKU LH550-02 346 LH730-02 580
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A