This enables high-speed autofocusing that's extremely accurate and super quiet. AS AS stands for Aspherical lens elements. This type of lens utilizes non-spherical surfaces on either one or both sides of the glass in order to eliminate certain types of lens aberration. This makes it possible to seamlessly switch to fine manual focusing while looking through the viewfinder. Nano Crystal Coat An anti-reflective coating developed by Nikon that virtually eliminates internal lens element reflections across a wide range of wavelengths.
Nano Crystal Coat solves ghost effects caused by red light and effectively reduces ghost and flare caused by light entering the lens diagonally. Rear Focusing System A system in which only the rear lens group moves during focusing, thus eliminating changes in the physical length of the lens during focusing and enabling faster focusing.
Such lenses are designated with RF on the lens barrel. Tech Specs. Nano Crystal Coat An anti-reflective coating developed by Nikon that virtually eliminates internal lens element reflections across a wide range of wavelengths. Nano Crystal Coat not only solves ghost effects caused by red light, which was incredibly difficult for previous systems.
It also effectively reduces ghost and flare effects caused by light entering the lens diagonally. The result: clearer images. Rear Focusing System A system in which only the rear lens group moves during focusing, thus eliminating changes in the physical length of the lens during focusing and enabling faster focusing.
Such lenses are designated with RF on the lens barrel. This enables high-speed autofocusing that's extremely accurate and super quiet. Tech Specs. Focal Length 28 mm. Nano Crystal Coat Yes. Dimensions Diameter x Length 3. Weight Product Forum. Summary Nikon cleverly put its Z 28mm f2.
Its slow focal ratio of f2. And although sharpness and contrast is not on the same level as with the S-line Nikkors the lens is still a solid performer. Stop it down to f4. This gives the new lens a unique position on Nikon's lens road-map and earns the Nikon Z 28mm f2. Buy it now! Check prices on the Nikon Z 28mm f2. Alternatively get yourself a copy of my In Camera book or treat me to a coffee!
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