The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 DG DN Art and the Tamron 28-75mm F2.8 Di III 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 118mm. The Sigma 50mm F1.4 DG DN Art with a length of 110mm, is 8mm shorter. On the other hand, the Sigma 50mm F1.4 DG DN Art has a larger diameter of 78mm compared to the Tamron 28-75mm F2.8 Di III's 76mm diameter.
Below you can find a scaled side-by-side image of Sigma 50mm F1.4 DG DN Art and Tamron 28-75mm F2.8 Di III to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 50mm F1.4 DG DN Art and the Tamron 28-75mm F2.8 Di III 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 540g, 19% (129g) lighter than the Sigma 50mm F1.4 DG DN Art's weight of 669g.
Filter Threads
The Sigma 50mm F1.4 DG DN Art has a filter size of 72mm whereas the Tamron 28-75mm F2.8 Di III has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sigma 50mm F1.4 DG DN Art:
And these are the 67mm filters that we recommend for the Tamron 28-75mm F2.8 Di III:
Lens Mounts
Both the Sigma 50mm F1.4 DG DN Art and the Tamron 28-75mm F2.8 Di III 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 .
Sony E and Nikon Z mounts.
Focal Range
Sigma 50mm F1.4 DG DN Art is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm .
On the other hand, the 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 .
