The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 28mm F4.5 Z and the 7Artisans FF 18mm f5.6 E 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 FF 18mm f5.6 E is the longer of the two lenses at 32mm. The Viltrox 28mm F4.5 Z with a length of 22mm, is 10mm shorter. On the other hand, the Viltrox 28mm F4.5 Z has a larger diameter of 65mm compared to the 7Artisans FF 18mm f5.6 E'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. Viltrox 28mm F4.5 Z weighs 88g, which means it is 58g (39%) lighter than the 7Artisans FF 18mm f5.6 E which has a weight of 146g.
Lens Mounts
The Viltrox 28mm F4.5 Z has the Nikon Z lens mount whereas the 7Artisans FF 18mm f5.6 E has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
Viltrox 28mm F4.5 Z is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm.
On the other hand, the 7Artisans FF 18mm f5.6 E is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 27mm.
