Image-taking lens system
AssigneeCanon Kabushiki Kaisha
InventorIsao Tanaka
Life of this patent
Estimating the term…
Abstract
An image-taking lens system includes an image-taking lens, a lens driving control part for driving and controlling the image-taking lens, a reading part for reading information from a storage medium in which a plurality of pieces of lens control information according to conditions of shooting are stored, and a setting part for setting control parameters of the lens driving control part on the basis of the information read by the reading part. The arrangement enables the operator of the system to quickly change control characteristics for zooming and focusing as desired according to shooting conditions.
Claims6
An image-taking lens barrel (40) mountable to a camera body, the lens barrel comprising:
- a driving means (7) for driving optical elements of the lens barrel;
- control means (6) for providing a lens control signal to the driving means (7);
- user-operated command means (50) for inputting user commands to the control means (6);
- a data reading means (4) disposed in said lens barrel for reading data from a storage medium (C);
- and the storage medium (C) stores a plurality of pieces of lens control information corresponding to the conditions of image-taking;
- and
- setting means (5) for setting a relationship between a user command input to the command means (50) and a corresponding lens control signal output to the driving means (7);
- wherein the setting means (5) is operable to set the relationship between said user command and said corresponding lens control signal, on the basis of data read from said storage medium (C).
Dependencies are inferred from the claim text.