PHOTOGRAPHING DEVICE, OPTICAL PART, METHOD FOR MANUFACTURING PHOTOGRAPHING DEVICE, AND METHOD FOR MANUFACTURING OPTICAL PART

摘要

PROBLEM TO BE SOLVED: To provide a photographing device with which useless discarding of expensive optical materials in large quantities is and dispensing with gate cutting. SOLUTION: A hot runner type mold is used and a nozzle for injecting a molten resin is arranged on an optical axis to mold an optical part.