The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans AF 27mm F2.8 and the Viltrox 28mm F4.5 FE 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 AF 27mm F2.8 is the longer of the two lenses at 42mm. The Viltrox 28mm F4.5 FE with a length of 20mm, is 22mm shorter. Besides being longer, the 7Artisans AF 27mm F2.8 also has a larger diameter of 61mm compared to the Viltrox 28mm F4.5 FE's 60mm diameter.
Below you can find a scaled side-by-side image of 7Artisans AF 27mm F2.8 and Viltrox 28mm F4.5 FE to get a better idea of how their sizes compare in real life.
Comparison image of the 7Artisans AF 27mm F2.8 and the Viltrox 28mm F4.5 FE 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. Viltrox 28mm F4.5 FE weighs 88g, 38% (56g) lighter than the 7Artisans AF 27mm F2.8's weight of 144g.
Lens Mounts
The 7Artisans AF 27mm F2.8 has the Fujifilm X lens mount whereas the Viltrox 28mm F4.5 FE has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
7Artisans AF 27mm F2.8 is a prime lens with fixed focal lenght of 27mm which has an effective (full-frame 35mm equivalent) focal range of
40.5mm when used on a APS-C / DX format camera.
On the other hand, the Viltrox 28mm F4.5 FE 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 .
