The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 56mm F1.2 Pro and the Fujifilm XF 16-50mm F2.8-4.8 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 56mm F1.2 Pro is the longer of the two lenses at 92mm. The Fujifilm XF 16-50mm F2.8-4.8 with a length of 71mm, is 21mm shorter. Besides being longer, the Viltrox AF 56mm F1.2 Pro also has a larger diameter of 78mm compared to the Fujifilm XF 16-50mm F2.8-4.8's 65mm 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. Fujifilm XF 16-50mm F2.8-4.8 weighs 240g, 57% (330g) lighter than the Viltrox AF 56mm F1.2 Pro's weight of 570g.
Filter Threads
The Viltrox AF 56mm F1.2 Pro has a filter size of 67mm whereas the Fujifilm XF 16-50mm F2.8-4.8 has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Viltrox AF 56mm F1.2 Pro:
And these are the 58mm filters that we recommend for the Fujifilm XF 16-50mm F2.8-4.8:
Lens Mounts
The Viltrox AF 56mm F1.2 Pro has the Nikon Z lens mount whereas the Fujifilm XF 16-50mm F2.8-4.8 has the Fujifilm X 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 Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Viltrox AF 56mm F1.2 Pro is also available in the Sony E and Fujifilm X mounts.
Focal Range
Viltrox AF 56mm F1.2 Pro is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of
84mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm XF 16-50mm F2.8-4.8 has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-75mm when used on a APS-C / DX format camera.