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Thin film coating
| Глоссарий терминов и сокращений по оптическим линзам |
Generally refers to the ultra thin ar coating produced in a vacuum chamber.
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Three piece mount, английский
A rimless frame style with frame parts that attach to each lens with screws or some other type of mounting device. in essence, when not held together by lenses, the frame chassis is in three pieces: right endpiece temple, left endpiece temple and bridge.
Thickness caliper, английский
A tool used for measuring thickness. calipers were formerly often calibrated in “points” but are now calibrated in millimeters.
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