The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 23mm F2.8 and the Viltrox 28mm F4.5 XF 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. Fujifilm 23mm F2.8 is the longer of the two lenses at 23mm. The Viltrox 28mm F4.5 XF with a length of 20mm, is 3mm shorter. Besides being longer, the Fujifilm 23mm F2.8 also has a larger diameter of 62mm compared to the Viltrox 28mm F4.5 XF's 60mm diameter.
Below you can find a scaled side-by-side image of Fujifilm 23mm F2.8 and Viltrox 28mm F4.5 XF to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm 23mm F2.8 and the Viltrox 28mm F4.5 XF 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 XF weighs 88g, 2% (2g) lighter than the Fujifilm 23mm F2.8's weight of 90g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Lenses in Fujifilm X Mount for Size Comparison
Lens Mounts
Both the Fujifilm 23mm F2.8 and the Viltrox 28mm F4.5 XF has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Focal Range
Fujifilm 23mm F2.8 is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of
34.5mm when used on a APS-C / DX format camera.
On the other hand, the Viltrox 28mm F4.5 XF 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 .