Sigma 20mm F1.4 DG DN Art vs Sigma 18-50mm F2.8-4.5 DC OS HSM

This is a full comparison between the lenses Sigma 20mm F1.4 DG DN Art and Sigma 18-50mm F2.8-4.5 DC OS HSM.

Compare Specifications

Product
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Name Sigma 20mm F1.4 DG DN Art Sigma 18-50mm F2.8-4.5 DC OS HSM
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Release Year 2022 2009
Release Date 2022-08-08
MSRP N/A 420 USD
Last known price 899 USD 0 USD
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Lens Type
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Lens Type Wide Angle Lens Standard / Normal
Zoom or Prime Prime lens (no zoom) Zoom lens
Mount and Compatibility
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Mount Sony EL Mount Canon EF-SNikon F
Designed for APS-C sensor No (Suitable for all sensors) Yes
Focus
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type Stepper motor No information
Focus Method No information No information
Closest Focusing Distance 23 cm 30 cm
Maximum Magnification
Aperture
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Maximum Aperture F1,4 F2,8-4,5
This lens has a variable aperture at different focal lengths.
F2,8 at 18 mm
F4,5 at 50 mm
Variable Aperture
Diaphragm Blades 11 No information
Optics
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Construction 17 elements  /  15 groups 16 elements  /  12 groups
Special Elements/Coatings Two Super-Low Dispersion elements, three aspherical elements, Super Multi-Layer coating, and water- and oil-resistant coating. No information
Focal Length
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Focal Length 20 mm 18-50 mm
Zoom Range None (Prime lens)
No Zoom available.
32 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No Yes
OS
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Weather Sealing Yes No
Diameter 88 mm 74 mm
Length 111 mm 88 mm
Weight 635 gr 395 gr
Other
Sigma 20mm F1.4 DG DN Art
Sigma 18-50mm F2.8-4.5 DC OS HSM
Filter Type Filter Thread Filter Thread
Filter Diameter 82 mm 67 mm
Lens Hood Included Included
Lens Hood SKU LH898-04 LH730-02 580
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A