Invention Grant
- Patent Title: Strobe light distribution lens and zoom strobe
- Patent Title (中): 闪光灯配光镜头和变焦闪光灯
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Application No.: US09025359Application Date: 1998-02-18
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Publication No.: US06179447B2Publication Date: 2001-01-30
- Inventor: Tuyoshi Ishikawa , Minoru Iida
- Applicant: Tuyoshi Ishikawa , Minoru Iida
- Priority: JP9-034889 19970219
- Main IPC: F21V800
- IPC: F21V800
Abstract:
In a light distribution lens for a strobe provided in front of a strobe light emitter to gather strobe light, one of opposed lens surfaces is made of a convex surface, and the other lens surface is made of a convex Fresnel surface. A zoom strobe device is also disclosed, which includes a light emitter unit having a light emitter and a reflector, a light distribution lens provided in front of the light emitter unit to gather light emitted from the light emitter, and a zoom device for varying the distance between the light emitter unit and the light distribution lens.
Information query
