The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 800mm F6.3 VR S and the Canon 400mm F4 DO IS II USM 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 800mm F6.3 VR S is the longer of the two lenses at 385mm. The Canon 400mm F4 DO IS II USM with a length of 233mm, is 152mm shorter. Besides being longer, the Nikon Z 800mm F6.3 VR S also has a larger diameter of 140mm compared to the Canon 400mm F4 DO IS II USM's 128mm diameter.
Below you can find a scaled side-by-side image of Nikon Z 800mm F6.3 VR S and Canon 400mm F4 DO IS II USM to get a better idea of how their sizes compare in real life.
Comparison image of the Nikon Z 800mm F6.3 VR S and the Canon 400mm F4 DO IS II USM 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. Canon 400mm F4 DO IS II USM weighs 2100g, 11% (285g) lighter than the Nikon Z 800mm F6.3 VR S's weight of 2385g.
Filter Threads
The Nikon Z 800mm F6.3 VR S has a filter size of 46mm whereas the Canon 400mm F4 DO IS II USM has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the Nikon Z 800mm F6.3 VR S:
And these are the 52mm filters that we recommend for the Canon 400mm F4 DO IS II USM:
Lens Mounts
The Nikon Z 800mm F6.3 VR S has the Nikon Z lens mount whereas the Canon 400mm F4 DO IS II USM has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Focal Range
Nikon Z 800mm F6.3 VR S is a prime lens with fixed focal lenght of 800mm.
On the other hand, the Canon 400mm F4 DO IS II USM is a prime lens with fixed focal lenght of 400mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 640mm .
