Sigma 18-50mm F3.5-5.6 DC vs Sigma EX 50mm F2.8 DG Macro

This is a full comparison between the lenses Sigma 18-50mm F3.5-5.6 DC and Sigma EX 50mm F2.8 DG Macro.

Compare Specifications

Product
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Name Sigma 18-50mm F3.5-5.6 DC Sigma EX 50mm F2.8 DG Macro
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Release Year 2005 2003
Release Date
MSRP N/A 420 USD
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Lens Type
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Lens Type Standard / Normal Standard / Normal
Macro
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Mount Canon EF-SNikon F Canon EFNikon F
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Autofocus (AF) YesNote. See below for further information YesNote. See below for further information
Built-in Autofocus (AF) Motor No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma 18-50mm F3.5-5.6 DC
No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma EX 50mm F2.8 DG Macro
Motor Type N/A N/A
Focus Method No information No information
Closest Focusing Distance 25 cm 18 cm
Maximum Magnification
Macro 1:1 No (No Macro lens) Yes
Aperture
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Maximum Aperture F3,5-5,6
This lens has a variable aperture at different focal lengths.
F3,5 at 18 mm
F5,6 at 50 mm
Variable Aperture
F2,8
Diaphragm Blades No information No information
Optics
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Construction 8 elements  /  8 groups 10 elements  /  9 groups
Special Elements/Coatings No information No information
Focal Length
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Focal Length 18-50 mm 50 mm
Zoom Range 32 mm None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Weather Sealing No No
Diameter 67 mm 71 mm
Length 62 mm 66 mm
Weight 250 gr 320 gr
Other
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F2.8 DG Macro
Filter Type Filter Thread Filter Thread
Filter Diameter 58 mm 55 mm
Lens Hood Included Included
Lens Hood SKU N/A LH550-02 346
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A