Nikon Patent Application: Nikkor Z 85mm F1.8 with specialized element
Nikon seems to be experimenting with exotic materials to help control chromatic abberations. This latest patent application describes the use of various materials such as, for example, sapphire crystal and organic elements.
Sample lens example;
Focal Length: 82.46
Image Height: 21.60
Total Length: 110.02
Back Focus: 18.00
This is a Z mount lens example.
Japan Patent Application 2020-016679
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