The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 28-75mm F2.8 Di III and the Sigma 24mm F1.4 DG HSM A 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 28-75mm F2.8 Di III is the longer of the two lenses at 117mm. The Sigma 24mm F1.4 DG HSM A with a length of 90mm, is 27mm shorter. On the other hand, the Sigma 24mm F1.4 DG HSM A has a larger diameter of 85mm compared to the Tamron 28-75mm F2.8 Di III's 73mm diameter.
Below you can find a scaled side-by-side image of Tamron 28-75mm F2.8 Di III and Sigma 24mm F1.4 DG HSM A to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 28-75mm F2.8 Di III and the Sigma 24mm F1.4 DG HSM A 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 28-75mm F2.8 Di III weighs 550g, which means it is 115g (17%) lighter than the Sigma 24mm F1.4 DG HSM A which has a weight of 665g.
Filter Threads
The Tamron 28-75mm F2.8 Di III has a filter size of 67mm whereas the Sigma 24mm F1.4 DG HSM A has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 28-75mm F2.8 Di III:
And these are the 77mm filters that we recommend for the Sigma 24mm F1.4 DG HSM A:
Lens Mounts
The Tamron 28-75mm F2.8 Di III has the Sony E lens mount whereas the Sigma 24mm F1.4 DG HSM A has the Sigma SA lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Sigma Quattro , Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sony E and Nikon Z mounts.
Canon EF , Nikon F (FX) and Leica L mounts.
Focal Range
Tamron 28-75mm F2.8 Di III has a focal range of 28-75mm and
2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 112.5mm .
On the other hand, the Sigma 24mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 24mm.
