The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24-35mm F2 DG HSM A and the Tamron 15-30mm f2.8 VC USD 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. Tamron 15-30mm f2.8 VC USD is the longer of the two lenses at 145mm. The Sigma 24-35mm F2 DG HSM A with a length of 123mm, is 22mm shorter. Besides being longer, the Tamron 15-30mm f2.8 VC USD also has a larger diameter of 98mm compared to the Sigma 24-35mm F2 DG HSM A's 88mm diameter.
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. Sigma 24-35mm F2 DG HSM A weighs 941g, which means it is 159g (14%) lighter than the Tamron 15-30mm f2.8 VC USD which has a weight of 1100g.
Lens Mounts
Both the Sigma 24-35mm F2 DG HSM A and the Tamron 15-30mm f2.8 VC USD has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 24-35mm F2 DG HSM A is also available in Canon EF and Sigma SA mounts.
Tamron 15-30mm f2.8 VC USD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Sigma 24-35mm F2 DG HSM A has a focal range of 24-35mm and
1.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 52.5mm.
On the other hand, the Tamron 15-30mm f2.8 VC USD has a focal range of 15-30mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 22.5 - 45mm.