Sigma EX 10-20mm F3.5 DC HSM vs Tamron SP 11-18mm F4.5-5.6 Di-II

This is a full comparison between the lenses Sigma EX 10-20mm F3.5 DC HSM and Tamron SP 11-18mm F4.5-5.6 Di-II .

Compare Specifications

Product
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Name Sigma EX 10-20mm F3.5 DC HSM Tamron SP 11-18mm F4.5-5.6 Di-II
Manufacturer Sigma Tamron
SKU
Release Date and Price
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Release Year 2008 2005
Release Date
MSRP 950 USD N/A
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Lens Type
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Lens Type Wide Angle Lens Wide Angle Lens
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Mount Canon EF-SNikon F Canon EF-SNikon F
Designed for APS-C sensor Yes Yes
Focus
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Autofocus (AF) Yes YesNote. See below for further information
Built-in Autofocus (AF) Motor Yes No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Tamron SP 11-18mm F4.5-5.6 Di-II
Motor Type No information N/A
Focus Method No information No information
Closest Focusing Distance 24 cm 25 cm
Maximum Magnification
Aperture
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Maximum Aperture F3,5 F4,5-5,6
This lens has a variable aperture at different focal lengths.
F4,5 at 11 mm
F5,6 at 18 mm
Variable Aperture
Diaphragm Blades No information No information
Optics
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Construction 13 elements  /  10 groups 15 elements  /  12 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Focal Length 10-20 mm 11-18 mm
Zoom Range 10 mm 7 mm
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 EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Weather Sealing No No
Diameter 87 mm 83 mm
Length 88 mm 78 mm
Weight 520 gr 355 gr
Other
Sigma EX 10-20mm F3.5 DC HSM
Tamron SP 11-18mm F4.5-5.6 Di-II
Filter Type Filter Thread Filter Thread
Filter Diameter 82 mm 77 mm
Lens Hood Included Included
Lens Hood SKU LH873-01 202 N/A
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A