The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 10mm f2.8 II 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. 7artisans 10mm f2.8 II E is the longer of the two lenses at 95mm. The Sony FE 20mm F1.8 G with a length of 85mm, is 10mm shorter. Besides being longer, the 7artisans 10mm f2.8 II E also has a larger diameter of 75mm compared to the Sony FE 20mm F1.8 G's 74mm 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 FE 20mm F1.8 G weighs 373g, 38% (229g) lighter than the 7artisans 10mm f2.8 II E's weight of 602g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both the 7artisans 10mm f2.8 II 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 FX5, Sony A7R VI and Sony A7 V.
Focal Range
7artisans 10mm f2.8 II E is a prime lens with fixed focal lenght of 10mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
15mm.
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.
