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Nikon Patent - New Tech. to Minimize the impact of Shutter Shock / Mirror Slap

DSLR users know about Mirror Slap or You can say Shutter shake. BTW, to minimize the effect so shutter slap the best way is to use the Mirror Up mode. Nikon is working to minimize the Shutter further more by implementing a brand new Mirror moving mechanism inside.



Patent Details

Inventor Akihiro Sato Akihiro Sato Original Assignee Co., Ltd.
Nikon Priority date 2018-04-05

Translated Text from google
PROBLEM TO BE SOLVED: To solve the problem in which a component for preventing a rebound increases in a rebound prevention mechanism to quicken exposure start, and further a system for preventing the rebound has been complicate.SOLUTION: A mirror holding mechanism according to one embodiment of the present invention is a mirror holding mechanism to be installed in a camera body, and the mirror holding mechanism comprises: a main mirror unit that rotates between a first state obliquely provided in a subject light flux and a second state retreated from the subject light flux; and a sub-mirror unit that interlocks with the main mirror unit to oscillate, is obliquely provided in the subject light flux in the first state, and is retreated from the subject light flux in the second state. In an operation displacing from the first state to the second state, the sub-mirror unit displacing toward a retreat direction is configured to perform a first contact with the main mirror unit at timing when the main mirror unit rebounds at an end to displace in an oblique providing direction.SELECTED DRAWING:

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