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 E 10-18mm F4 OSS 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 20mm F2 FE MF is the longer of the two lenses at 82mm. The Sony E 10-18mm F4 OSS with a length of 64mm, is 18mm shorter. On the other hand, the Sony E 10-18mm F4 OSS has a larger diameter of 70mm 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. Sony E 10-18mm F4 OSS weighs 225g, 54% (265g) lighter than the Tokina Firin 20mm F2 FE MF's weight of 490g.
Filter Threads
Both the Tokina Firin 20mm F2 FE MF and the Sony E 10-18mm F4 OSS have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Tokina Firin 20mm F2 FE MF and the Sony E 10-18mm F4 OSS 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 E 10-18mm F4 OSS has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 15-27mm when used on a APS-C / DX format camera.
