Sound insulated interchangeable lens

Details Sound insulated interchangeable lens Sound insulated interchangeable lens

1989-12-22

1991-04-23

Hayes, Monroe H.

Optics: motion pictures

With sound accompaniment

Housing and supports

354286, G03B 3100

Patent

active

050094998

ABSTRACT:
An interchangeable lens suitable for use in conjunction with a motion picture camera features a lens mount 13 that is removably attached to such motion picture camera, a lens casing 11 commecting to lens mount 13, and an external casing 10 that both houses the adjusting elements of such interchangeable lens and is connected through sound-absorbing rings 16, 17, 18 to lens casing 11. An object-side buffer ring 16 and a camera-side buffer ring 17 both center and radially support, in its end zones, external casing 10 upon lens casing 11.

REFERENCES:
patent: 3331653 (1967-07-01), Blascher et al.
patent: 4536066 (1985-08-01), Bauer
patent: 4577944 (1986-03-01), Grosser et al.
patent: 4816857 (1989-03-01), Blaschek

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