The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 100-400mm F4.5-5.6 VR and the Nikon Z 20mm F1.8 S 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. Nikon Z 100-400mm F4.5-5.6 VR is the longer of the two lenses at 222mm. The Nikon Z 20mm F1.8 S with a length of 109mm, is 113mm shorter. Besides being longer, the Nikon Z 100-400mm F4.5-5.6 VR also has a larger diameter of 98mm compared to the Nikon Z 20mm F1.8 S's 85mm diameter.
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Below you can find a scaled side-by-side image of Nikon Z 100-400mm F4.5-5.6 VR and Nikon Z 20mm F1.8 S to get a better idea of how their sizes compare in real life.
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. Nikon Z 20mm F1.8 S weighs 505g, 62% (850g) lighter than the Nikon Z 100-400mm F4.5-5.6 VR's weight of 1355g.
Filter Threads
Both the Nikon Z 100-400mm F4.5-5.6 VR and the Nikon Z 20mm F1.8 S have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Nikon Z 100-400mm F4.5-5.6 VR and the Nikon Z 20mm F1.8 S has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon Zf, Nikon Z8 and Nikon Z30.
Focal Range
Nikon Z 100-400mm F4.5-5.6 VR has a focal range of 100-400mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150 - 600mm.
On the other hand, the Nikon Z 20mm F1.8 S is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30mm.