Patent 7535655 was granted and assigned to Fujinon on May, 2009 by the United States Patent and Trademark Office.
The present invention provides a lens device provided on a lens barrel for a television camera, the lens device comprising: a master lens; a flange-back adjusting mechanism for moving the master lens forward/backward in an optical axis direction; a flange-back adjusting unit including the master lens and the flange-back adjusting mechanism, the flange-back adjusting unit being movable forward/backward in the optical axis direction; and a fixing member for fixing the flange-back adjusting unit on a predetermined position after the forward/backward movement.