The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.2 DG DN Art and the Tamron SP 35mm F1.4 Di USD for their suitability to various photography scenarios:
Size and Weight Comparison
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 50mm F1.2 DG DN Art weighs 740g, which means it is 65g (8%) lighter than the Tamron SP 35mm F1.4 Di USD which has a weight of 805g.
Filter Threads
Both the Sigma 50mm F1.2 DG DN Art and the Tamron SP 35mm F1.4 Di USD have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 50mm F1.2 DG DN Art has the Sony E lens mount whereas the Tamron SP 35mm F1.4 Di USD has the Nikon F (FX) 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 Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Sigma 50mm F1.2 DG DN Art is also available in the Leica L mount.
Tamron SP 35mm F1.4 Di USD is also available in Canon EF mount.
Focal Range
Sigma 50mm F1.2 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 SP 35mm F1.4 Di USD is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 52.5mm.
