TV lens operating unit
AssigneeFuji Photo Optical Co., Ltd.
InventorHiroshi Kato
Life of this patent
Estimating the term…
Abstract
A zooming of a TV lens is performed by operating a thumb ring of a zoom demand. Pressing a quick zoom switch provided on the zoom demand can successively move the zoom toward a widephoto end or a telephoto end by a one-touch operation. Moreover, the moving direction of the zoom on the quick zooming can be switched by a switch provided on the zoom demand.
Claims11
A TV lens operating unit including a focus lens and a variable lens moved in accordance with control signals sent from the TV lens operating unit, the TV lens operating unit, comprising:
- an operating member for ordering, by a one-touch operation thereof, the TV lens to perform a quick zooming wherein the variable lens is successively moved in one of a direction of a widephoto side and a direction of a telephoto side;
- and
- a switch for selecting a moving direction of the variable lens on the quick zooming from the directions of the widephoto side and the telephoto side.
A TV lens operating unit including a focus lens and a variable lens moved in accordance with control signals sent from the TV lens operating unit, the TV lens operating unit, comprising:
- an operating member for ordering, by a one-touch operation thereof, the TV lens to perform a quick zooming wherein the variable lens is successively moved in one of a direction of a widephoto side and a direction of a telephoto side,
- wherein the TV lens comprises a switch for selecting a moving direction of the variable lens on the quick zooming from the directions of the widephoto side and the telephoto side.
A TV lens operating unit for operating a TV lens including a focus lens and a variable lens moved in accordance with control signals sent from the TV lens operating unit, the TV lens operating unit comprising:
- an operating member for ordering, by a one-touch operation thereof, the TV lens to perform a quick zooming wherein the variable lens is successively moved in one of a direction of a widephoto side and a direction of a telephoto side;
- and
- a member for adjusting a maximum moving rate of the variable lens on the quick zooming;
- and
- a switch for selecting a moving direction of the variable lens on the quick zooming from the directions of the widephoto side and the telephoto side.
Dependencies are inferred from the claim text.