The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 40mm F2 and the Nikon Z 50mm F1.2 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 50mm F1.2 S is the longer of the two lenses at 150mm. The Nikon Z 40mm F2 with a length of 46mm, is 104mm shorter. Besides being longer, the Nikon Z 50mm F1.2 S also has a larger diameter of 90mm compared to the Nikon Z 40mm F2's 70mm diameter.
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Below you can find a scaled side-by-side image of Nikon Z 40mm F2 and Nikon Z 50mm F1.2 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 40mm F2 weighs 170g, which means it is 920g (84%) lighter than the Nikon Z 50mm F1.2 S which has a weight of 1090g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Nikon Z Mount for size comparison purposes.
Standard Lenses in Nikon Z Mount for Size Comparison
Filter Threads
The Nikon Z 40mm F2 has a filter size of 52mm whereas the Nikon Z 50mm F1.2 S has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Nikon Z 40mm F2:
And these are the 82mm filters that we recommend for the Nikon Z 50mm F1.2 S:
Lens Mounts
Both the Nikon Z 40mm F2 and the Nikon Z 50mm F1.2 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 40mm F2 is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
60mm.
On the other hand, the Nikon Z 50mm F1.2 S is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.