The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina Firin 20mm F2 FE MF and the Sony FE 12-24mm F4 G 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. Sony FE 12-24mm F4 G is the longer of the two lenses at 117mm. The Tokina Firin 20mm F2 FE MF with a length of 82mm, is 35mm shorter. Besides being longer, the Sony FE 12-24mm F4 G also has a larger diameter of 87mm compared to the Tokina Firin 20mm F2 FE MF's 69mm 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. Tokina Firin 20mm F2 FE MF weighs 490g, which means it is 75g (13%) lighter than the Sony FE 12-24mm F4 G which has a weight of 565g.
Lens Mounts
Both the Tokina Firin 20mm F2 FE MF and the Sony FE 12-24mm F4 G 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.
Tokina Firin 20mm F2 FE MF is also available in the Sony E mount.
Focal Range
Tokina Firin 20mm F2 FE MF is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30mm.
On the other hand, the Sony FE 12-24mm F4 G has a focal range of 12-24mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 18 - 36mm.