The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus Laowa 9mm F2.8 Zero-D and the Samyang 10mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Samyang 10mm f2.8 is the longer of the two lenses at 77mm. The Venus Laowa 9mm F2.8 Zero-D with a length of 53mm is 24mm shorter. Besides being longer, the Samyang 10mm f2.8 also has a larger diameter of 86mm compared to Venus Laowa 9mm F2.8 Zero-D's 60mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Venus Laowa 9mm F2.8 Zero-D weighs 215g, which means it is 365g (62%) lighter than the Samyang 10mm f2.8 which has a weight of 580g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Prime Lenses in Fujifilm X Mount for Size Comparison
Lens Mounts
Both Venus Laowa 9mm F2.8 Zero-D and Samyang 10mm 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-T5, Fujifilm X-H2 and Fujifilm X-H2S.
Venus Laowa 9mm F2.8 Zero-D is also available in Canon EF-M and Sony E mounts.
Samyang 10mm f2.8 is also available in Canon EF , Canon EF-M, Nikon F (DX), Four Thirds and Micro Four Thirds mounts.
Focal Range
Venus Laowa 9mm F2.8 Zero-D is a prime lens with fixed focal lenght of 9mm which has a 35mm equivalent focal range of 13.5mm when used on a APS-C / DX format camera. Samyang 10mm f2.8 is a prime lens with fixed focal lenght of 10mm which has a 35mm equivalent focal range of 13.5mm when used on a APS-C / DX format camera.