Nikon explained their fluorine coating tech by a short video. Nikon’s fluorine coating currently presented in the 800mm f/5.6 and the newly announced 400mm f/2.8 lenses.
From the features section of AF-S NIKKOR 400mm f/2.8E FL ED VR telephoto lens it says: “The lens now contains two fluorite elements that, together with two Extra-Low Dispersion (ED) glass elements and Nano Crystal Coat, helps ensure outstanding performance with minimal chromatic aberration and flaring.”
See below for the video and the explanation of the fluorine coating from the glossary.
Nikon’s Fluorine Coating Explained
From Imaging Nikon Glossary:
“Nikon’s fluorine coat effectively repels dust, water droplets, grease or dirt, ensuring easy removal even when they adhere to the lens surface. Thanks to Nikon’s original technology, it delivers higher durability and is more peel-resistant. Compared to other manufacturers’ coating of a similar kind, fluorine coat endures a higher frequency of lens surface wiping and provides longer-duration staying power. Its anti-reflective effect also contributes to the capture of clear images.”
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