Sigma EX 17-50mm F2.8 DC OS HSM vs Sigma EX 50mm F1.4 DG HSM

This is a full comparison between the lenses Sigma EX 17-50mm F2.8 DC OS HSM and Sigma EX 50mm F1.4 DG HSM.

Compare Specifications

Product
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Name Sigma EX 17-50mm F2.8 DC OS HSM Sigma EX 50mm F1.4 DG HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Release Year 2010 2008
Release Date
MSRP 980 USD 730 USD
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Lens Type
Sigma EX 17-50mm F2.8 DC OS HSM
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 EX 17-50mm F2.8 DC OS HSM
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 EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type No information No information
Focus Method No information No information
Closest Focusing Distance 28 cm 45 cm
Maximum Magnification
Aperture
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Maximum Aperture F2,8 F1,4
Diaphragm Blades No information No information
Optics
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Construction 17 elements  /  13 groups 8 elements  /  6 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Focal Length 17-50 mm 50 mm
Zoom Range 33 mm None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes
OS
No
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Weather Sealing No No
Diameter 83 mm 84 mm
Length 91 mm 68 mm
Weight 565 gr 505 gr
Other
Sigma EX 17-50mm F2.8 DC OS HSM
Sigma EX 50mm F1.4 DG HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 77 mm 77 mm
Lens Hood Included Included
Lens Hood SKU LH825-03 583 LH829-01 310
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A