Sigma EX 10-20mm F3.5 DC HSM vs Sigma EX 20mm F1.8 DG ASP RF

This is a full comparison between the lenses Sigma EX 10-20mm F3.5 DC HSM and Sigma EX 20mm F1.8 DG ASP RF.

Compare Specifications

Product
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Name Sigma EX 10-20mm F3.5 DC HSM Sigma EX 20mm F1.8 DG ASP RF
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Release Year 2008 2008
Release Date
MSRP 950 USD 670 USD
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Lens Type
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Lens Type Wide Angle Lens Wide Angle Lens
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Mount Canon EF-SNikon F Canon EFNikon F
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
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 Sigma EX 20mm F1.8 DG ASP RF
Motor Type No information N/A
Focus Method No information No information
Closest Focusing Distance 24 cm 20 cm
Maximum Magnification
Aperture
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Maximum Aperture F3,5 F1,8
Diaphragm Blades No information No information
Optics
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Construction 13 elements  /  10 groups 13 elements  /  11 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Focal Length 10-20 mm 20 mm
Zoom Range 10 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 EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Weather Sealing No No
Diameter 87 mm 88 mm
Length 88 mm 89 mm
Weight 520 gr 520 gr
Other
Sigma EX 10-20mm F3.5 DC HSM
Sigma EX 20mm F1.8 DG ASP RF
Filter Type Filter Thread Filter Thread
Filter Diameter 82 mm 82 mm
Lens Hood Included Included
Lens Hood SKU LH873-01 202 LH875-02 548
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A