The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 14mm F1.8 GM and the 7artisans 12mm F2.8 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 14mm F1.8 GM is the longer of the two lenses at 100mm. The 7artisans 12mm F2.8 with a length of 66mm, is 34mm shorter. Besides being longer, the Sony FE 14mm F1.8 GM also has a larger diameter of 83mm compared to the 7artisans 12mm F2.8's 63mm diameter.
Below you can find a scaled side-by-side image of Sony FE 14mm F1.8 GM and 7artisans 12mm F2.8 to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 14mm F1.8 GM and the 7artisans 12mm F2.8 Size and Weight 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. 7artisans 12mm F2.8 weighs 295g, 35% (165g) lighter than the Sony FE 14mm F1.8 GM's weight of 460g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Sony E Mount
Lens Mounts
Both the Sony FE 14mm F1.8 GM and the 7artisans 12mm F2.8 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 .
Canon EF-M and Fujifilm X mounts.
Focal Range
Sony FE 14mm F1.8 GM is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm .
On the other hand, the 7artisans 12mm F2.8 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 18mm when used on a APS-C / DX format camera.
