The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG DN Art and the Sony FE 85mm F1.8 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 35mm F1.4 DG DN Art is the longer of the two lenses at 110mm. The Sony FE 85mm F1.8 with a length of 82mm, is 28mm shorter. On the other hand, the Sony FE 85mm F1.8 has a larger diameter of 78mm compared to the Sigma 35mm F1.4 DG DN Art's 76mm 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. Sony FE 85mm F1.8 weighs 371g, 42% (274g) lighter than the Sigma 35mm F1.4 DG DN Art's weight of 645g.
Filter Threads
Both the Sigma 35mm F1.4 DG DN Art and the Sony FE 85mm F1.8 have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 35mm F1.4 DG DN Art and the Sony FE 85mm F1.8 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.
Sigma 35mm F1.4 DG DN Art is also available in the Leica L mount.
Focal Range
Sigma 35mm F1.4 DG DN Art 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.
On the other hand, the Sony FE 85mm F1.8 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
