The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 11-20mm F2.8 A and the Sigma 14-24mm F2.8 DG DN Art for their suitability to various photography scenarios:
Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 14-24mm F2.8 DG DN Art is the longer of the two lenses at 131mm. The Tamron 11-20mm F2.8 A with a length of 86mm, is 45mm shorter. Besides being longer, the Sigma 14-24mm F2.8 DG DN Art also has a larger diameter of 85mm compared to the Tamron 11-20mm F2.8 A's 73mm diameter.
Below you can find a scaled side-by-side image of Tamron 11-20mm F2.8 A and Sigma 14-24mm F2.8 DG DN Art to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 11-20mm F2.8 A and the Sigma 14-24mm F2.8 DG DN Art Size and Weight The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Tamron 11-20mm F2.8 A weighs 335g, which means it is 460g (57%) lighter than the Sigma 14-24mm F2.8 DG DN Art which has a weight of 795g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both the Tamron 11-20mm F2.8 A and the Sigma 14-24mm F2.8 DG DN Art has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Sigma 14-24mm F2.8 DG DN Art is also available in Leica L mount.
Focal Range
Tamron 11-20mm F2.8 A has a focal range of 11-20mm and
1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
16.5-30mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 14-24mm F2.8 DG DN Art has a focal range of 14-24mm and 1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21 - 36mm .