The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 12-20mm f2.8 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 12-20mm f2.8 with a length of 119mm, is 12mm shorter. On the other hand, the Tamron 12-20mm f2.8 has a larger diameter of 90mm compared to the Sigma 14-24mm F2.8 DG DN Art's 85mm diameter.
Below you can find a scaled side-by-side image of Tamron 12-20mm f2.8 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 12-20mm f2.8 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 12-20mm f2.8 weighs 570g, which means it is 225g (28%) 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 Sony E Mount
Lens Mounts
Both the Tamron 12-20mm f2.8 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 FX5 , Sony A7R VI and Sony A7 V .
Leica L mount.
Focal Range
Tamron 12-20mm f2.8 has a focal range of 12-20mm 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
18 - 30mm .
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 .
