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 Z and the Viltrox AF 16mm f1.8 Z 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 AF 16mm f1.8 Z is the longer of the two lenses at 103mm. The Venus Laowa 4mm F2.8 Z with a length of 26mm, is 77mm shorter. Besides being longer, the Viltrox AF 16mm f1.8 Z also has a larger diameter of 85mm compared to the Venus Laowa 4mm F2.8 Z's 61mm 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. Venus Laowa 4mm F2.8 Z weighs 135g, which means it is 430g (76%) lighter than the Viltrox AF 16mm f1.8 Z which has a weight of 565g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Nikon Z Mount for size comparison purposes.
Ultra-Wideangle Lenses in Nikon Z Mount for Size Comparison
Lens Mounts
Both the Venus Laowa 4mm F2.8 Z and the Viltrox AF 16mm f1.8 Z has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30.
Focal Range
Venus Laowa 4mm F2.8 Z 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 Viltrox AF 16mm f1.8 Z is a prime lens with fixed focal lenght of 16mm.
