Sigma 18-50mm F3.5-5.6 DC vs Sigma EX 50mm F1.4 DG HSM

This is a full comparison between the lenses Sigma 18-50mm F3.5-5.6 DC and Sigma EX 50mm F1.4 DG HSM.

Compare Specifications

Product
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
Name Sigma 18-50mm F3.5-5.6 DC Sigma EX 50mm F1.4 DG HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
Release Year 2005 2008
Release Date
MSRP N/A 730 USD
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Lens Type
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
Lens Type Standard / Normal Standard / Normal
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
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 F1.4 DG 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 18-50mm F3.5-5.6 DC
Yes
Motor Type N/A No information
Focus Method No information No information
Closest Focusing Distance 25 cm 45 cm
Maximum Magnification
Aperture
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
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
F1,4
Diaphragm Blades No information No information
Optics
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
Construction 8 elements  /  8 groups 8 elements  /  6 groups
Special Elements/Coatings No information No information
Focal Length
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
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 F1.4 DG HSM
Weather Sealing No No
Diameter 67 mm 84 mm
Length 62 mm 68 mm
Weight 250 gr 505 gr
Other
Sigma 18-50mm F3.5-5.6 DC
Sigma EX 50mm F1.4 DG HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 58 mm 77 mm
Lens Hood Included Included
Lens Hood SKU N/A LH829-01 310
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A