The following chart presents a comparison between basic parameters of the tested Nikkor and other full frame 24 mm f/1.8-2.0 lenses. It is clear that the Nikkor is the most optically complex device in this group even though its number of elements remains the same as the number of elements of its reflex camera predecessor. What's interesting, it is hardly the heaviest device in the group because the Sigma and the Zeiss weigh distinctly more.
In the photo below the Nikkor Z 24 mm f/1.8 S is positioned between its system brothers, the 1.8/35 and the 1.8/50 lens.
The tested lens starts with a metal mount which surrounds contacts and a rear element, 29 mm in diameter. The area close to that element is well matted and blackened, without any electronic parts peeping out from the interior. It would be difficult to have any reservations here.
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A black, metal ring which doesn't move is the first part of the tested Nikkor's proper barrel. On its surface you can find a white dot, making an alignment with a camera easier, an inscription with parameters of the lens, the logo of the producer, an AF/MF switch, allowing you to control the focusing mechanism mode, a „Nikkor S” plate, its serial number, the focusing mechanism working range (∞-0.25m/0.82ft), and finally information that the lens was made in China.
Further on you find another immobile ring, this time made of plastics and devoid of any inscriptions. Then there's a manual focus ring, made of metal, as wide as 39 mm, without any distance or DOF scale. It is a 'focus-by-wire' stepping construction and its whole surface is covered by fine ribbing. Its focus throw depends strongly on the speed of your turning – if you move the ring fast it amounts to less than 90 degrees, when you turn it slower you are able to reach even over 180 degrees. Still the amount of rotation is sometimes rather tricky to measure because a really slow movement doesn't produce any results on the electronic distance scale.
It's worth mentioning the fact that fine, metal ribs on the manual focusing ring are very scratch-prone. It's enough to put two such system lenses close together e.g. in a bag and they can scratch each other's paint with ease.
Next, you see a plastic ring which near one of its ends gets a bit wider and finishes with a bayonet mount for a hood which you can find in the box with the lens.
The front element doesn't move, is slightly convex and 49 mm in diameter. It is surrounded by a collar with the name and parameters of the lens and a non-rotating filter thread, 72 mm in diameter.
When it comes to optical construction you deal here with 12 elements positioned in 10 groups. One of them are made of low dispersion ED glass and four others are aspherical in shape. Inside there is also a round aperture with nine blades which can be closed down to a value of f/16 at the maximum. Every movable part of the lens's tube is sealed in order to protect the instrument against dust and moisture and the system also features nano-crystal coating.
Buyers get in the box with the lens: two caps, a soft pouch and a petal-type hood.
