The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus Laowa 4mm F2.8 X 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. 7artisans 12mm F2.8 is the longer of the two lenses at 66mm. The Venus Laowa 4mm F2.8 X with a length of 26mm, is 40mm shorter. Besides being longer, the 7artisans 12mm F2.8 also has a larger diameter of 63mm compared to the Venus Laowa 4mm F2.8 X's 61mm diameter.
Below you can find a scaled side-by-side image of Venus Laowa 4mm F2.8 X and 7artisans 12mm F2.8 to get a better idea of how their sizes compare in real life.
Comparison image of the Venus Laowa 4mm F2.8 X 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. Venus Laowa 4mm F2.8 X weighs 135g, which means it is 160g (54%) lighter than the 7artisans 12mm F2.8 which has a weight of 295g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Fujifilm X Mount for size comparison purposes.
Ultra-Wideangle Fujifilm X Mount
Lens Mounts
Both the Venus Laowa 4mm F2.8 X and the 7artisans 12mm F2.8 has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Canon EF-M and Sony E mounts.
Focal Range
Venus Laowa 4mm F2.8 X is a prime lens with fixed focal lenght of 4mm which has an effective (full-frame 35mm equivalent) focal range of
6mm when used on a APS-C / DX format camera.
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.
