The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 13mm F1.4 E and the Sony FE 20mm F1.8 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. Viltrox 13mm F1.4 E is the longer of the two lenses at 90mm. The Sony FE 20mm F1.8 G with a length of 85mm, is 5mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 74mm.
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 20mm F1.8 G weighs 373g, 11% (47g) lighter than the Viltrox 13mm F1.4 E's weight of 420g.
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 Viltrox 13mm F1.4 E and the Sony FE 20mm F1.8 G 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 Viltrox 13mm F1.4 E and the Sony FE 20mm F1.8 G has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
Focal Range
Viltrox 13mm F1.4 E is a prime lens with fixed focal lenght of 13mm which has an effective (full-frame 35mm equivalent) focal range of
19.5mm when used on a APS-C / DX format camera.
On the other hand, the Sony FE 20mm F1.8 G 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.
