nippon kogaku

• Nippon Kogaku Japan Nikon 135mm f/3.5 f3.5 Nikkor-Q non-AI manual focus lens

  

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• Nikkorex F Original Instruction Manual

  

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• Nippon Kogaku Japan Nikon 200mm f/4.0 f4 non-AI telephoto lens

  

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• ORIGINAL PATENT APPLICATION NUMBER 1,531,849 FOR OPTICAL GLASS (TOKYO).

  

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• ORIGINAL PATENT APPLICATION NUMBER 1,318,075 FOR GLASS MEDIUM FOR ULTRASONIC DELAY LINES. (JAPAN).

  

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• ORIGINAL PATENT APPLICATION NUMBER 1,410,073 FOR OPTICAL GLASS. (JAPAN).

  

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