Invention Grant
US08224167B2 Dioptric adjustment device for underwater viewfinder 有权
水下取景器屈光度调节装置

Dioptric adjustment device for underwater viewfinder
Abstract:
An adjustment device including an enhanced underwater viewfinder having, in use, a substantially watertight body and including a plurality of prisms within the body, at least one of the prisms being moveable by element of a control mechanism operable from a position exterior of the body.
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