The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 600mm F6.3 VR S and the Viltrox 75mm f1.2 AF 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 600mm F6.3 VR S is the longer of the two lenses at 278mm. The Viltrox 75mm f1.2 AF with a length of 101mm, is 177mm shorter. Besides being longer, the Nikon Z 600mm F6.3 VR S also has a larger diameter of 107mm compared to the Viltrox 75mm f1.2 AF's 87mm 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. Viltrox 75mm f1.2 AF weighs 670g, 54% (800g) lighter than the Nikon Z 600mm F6.3 VR S's weight of 1470g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Nikon Z Mount for size comparison purposes.
Telephoto Lenses in Nikon Z Mount for Size Comparison
Filter Threads
The Nikon Z 600mm F6.3 VR S has a filter size of 95mm whereas the Viltrox 75mm f1.2 AF has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 95mm filters that we recommend you to consider for the Nikon Z 600mm F6.3 VR S:
And these are the 77mm filters that we recommend for the Viltrox 75mm f1.2 AF:
Lens Mounts
Both the Nikon Z 600mm F6.3 VR S and the Viltrox 75mm f1.2 AF has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Viltrox 75mm f1.2 AF is also available in Sony E and Fujifilm X mounts.
Focal Range
Nikon Z 600mm F6.3 VR S is a prime lens with fixed focal lenght of 600mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
900mm.
On the other hand, the Viltrox 75mm f1.2 AF is a prime lens with fixed focal lenght of 75mm which has an effective (full-frame 35mm equivalent) focal range of 112.5mm when used on a APS-C / DX format camera.
