The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 90mm F2.8 DG DN C and the Tokina Firin 100mm F2.8 FE Macro 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. Tokina Firin 100mm F2.8 FE Macro is the longer of the two lenses at 123mm. The Sigma 90mm F2.8 DG DN C with a length of 60mm, is 63mm shorter. Besides being longer, the Tokina Firin 100mm F2.8 FE Macro also has a larger diameter of 74mm compared to the Sigma 90mm F2.8 DG DN C's 64mm diameter.
Tokina Firin 100mm F2.8 FE Macro vs Sigma 90mm F2.8 DG DN C Lenses Size 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 90mm F2.8 DG DN C weighs 295g, which means it is 275g (48%) lighter than the Tokina Firin 100mm F2.8 FE Macro which has a weight of 570g.
Filter Threads
Both the Sigma 90mm F2.8 DG DN C and the Tokina Firin 100mm F2.8 FE Macro have the same Filter thread size of 55mm.
Below are links to the 55mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 90mm F2.8 DG DN C and the Tokina Firin 100mm F2.8 FE Macro has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Sigma 90mm F2.8 DG DN C is also available in Leica L mount.
Focal Range
Sigma 90mm F2.8 DG DN C is a prime lens with fixed focal lenght of 90mm which has an effective (full-frame 35mm equivalent) focal range of
135mm when used on a 35mm FF format camera.
On the other hand, the Tokina Firin 100mm F2.8 FE Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150mm.