The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 15mm f4.5 and the Tokina Firin 20mm F2 FE MF 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 Venus 15mm f4.5 with a length of 48mm, is 34mm shorter. On the other hand, the Venus 15mm f4.5 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. Venus 15mm f4.5 weighs 308g, which means it is 182g (37%) lighter than the Tokina Firin 20mm F2 FE MF which has a weight of 490g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Venus 15mm f4.5 and the Tokina Firin 20mm F2 FE MF 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 Venus 15mm f4.5 and the Tokina Firin 20mm F2 FE MF 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.
Venus 15mm f4.5 is also available in the Nikon Z , Canon RF and Leica L mounts.
Tokina Firin 20mm F2 FE MF is also available in Sony E mount.
Focal Range
Venus 15mm f4.5 is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm.
On the other hand, the 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.
