The type of photography that you are planning to use is an important decision factor. Here we have evaluated the AstrHori AF 27mm F2.8 Z 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. AstrHori AF 27mm F2.8 Z is the longer of the two lenses at 43mm. The Viltrox 28mm F4.5 FE with a length of 20mm, is 23mm shorter. Besides being longer, the AstrHori AF 27mm F2.8 Z also has a larger diameter of 67mm compared to the Viltrox 28mm F4.5 FE's 60mm diameter.
Below you can find a scaled side-by-side image of AstrHori AF 27mm F2.8 Z and Viltrox 28mm F4.5 FE to get a better idea of how their sizes compare in real life.
Comparison image of the AstrHori AF 27mm F2.8 Z 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, 47% (79g) lighter than the AstrHori AF 27mm F2.8 Z's weight of 167g.
Lens Mounts
The AstrHori AF 27mm F2.8 Z has the Nikon Z 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 RED Komodo-X 6K Z , Nikon Z50 II and Nikon Z30 for the Nikon Z Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
AstrHori AF 27mm F2.8 Z 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 .
