| 摘要 |
Light cast metal outer and inner rings, the opening in the latter being about 8 inches in diameter, said inner ring journaling in said outer ring, for ready coaxial rotation therein. Two vertical horizontally diametrically opposed handles are provided, each being fixed to one of said rings, said handles being simultaneously gripped by the right and left hands in supporting the adapter and rotating said inner ring in said outer ring. Said inner ring supports a camera in its opening. The top of said outer ring rockably supports a flasher unit pivoted thereon on a transverse axis. A cable shutter release is thumb actuatable by a hand gripping one of said handles. A device locking said inner ring against rotation, and while variously rotationally positioned, relative to said outer ring is located for thumb actuation by the other hand while gripping the other handle. A platform adjustably mounted on said inner ring at the bottom of said opening provides a rigid support for a camera variously positioned in said opening.
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