The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 400-800mm F6.3-8 and the Nikon Z 800mm F6.3 VR 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 800mm F6.3 VR S is the longer of the two lenses at 385mm. The Sony FE 400-800mm F6.3-8 with a length of 346mm, is 39mm shorter. Besides being longer, the Nikon Z 800mm F6.3 VR S also has a larger diameter of 140mm compared to the Sony FE 400-800mm F6.3-8's 120mm diameter.
Below you can find a scaled side-by-side image of Sony FE 400-800mm F6.3-8 and Nikon Z 800mm F6.3 VR S to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 400-800mm F6.3-8 and the Nikon Z 800mm F6.3 VR S 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. Nikon Z 800mm F6.3 VR S weighs 2385g, 3% (90g) lighter than the Sony FE 400-800mm F6.3-8's weight of 2475g.
Filter Threads
The Sony FE 400-800mm F6.3-8 has a filter size of 105mm whereas the Nikon Z 800mm F6.3 VR S has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sony FE 400-800mm F6.3-8:
And these are the 46mm filters that we recommend for the Nikon Z 800mm F6.3 VR S:
Lens Mounts
The Sony FE 400-800mm F6.3-8 has the Sony E lens mount whereas the Nikon Z 800mm F6.3 VR S has the Nikon Z lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount.
Focal Range
Sony FE 400-800mm F6.3-8 has a focal range of 400-800mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
600 - 1200mm .
On the other hand, the Nikon Z 800mm F6.3 VR S is a prime lens with fixed focal lenght of 800mm.
