发明名称 Rotatable snorkel system
摘要 A snorkel camera system that has a prime lens connected to one end of the housing and a camera body connected to the other end of the housing, the optical axis of the prime lens and of the camera body being offset and parallel, and the housing is detachably mounted to the camera body such that the housing can be rotated about the camera body to a desired position and locked in place, the optical system being such that the image seen in the viewfinder maintains the correct attitude regardless of the position to which the prime lens is rotated.
申请公布号 US4580886(A) 申请公布日期 1986.04.08
申请号 US19840626403 申请日期 1984.06.29
申请人 HAJNAL, STEPHEN 发明人 HAJNAL, STEPHEN
分类号 G02B23/08;(IPC1-7):G03B17/48 主分类号 G02B23/08
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