Patent ID: 6101046
Filing Date: 2000-08-08
Classification: G02B

Abstract:
A cylindrical mount for optical components of a variable-power objective, comprising:an inner straight-line guide having a cam control actuatable using a first rotary ring arranged on an outside of the mount;a first adjustable carrier for carrying a first optical element; anda second rotary ring for adjusting a holder of a second optical element for setting a focus of the variable-power objective, wherein said holder is coupled to a linear guide that is adjustable in the direction of an optical axis and which is coupled to a second adjustable carrier for carrying an additional optical element that is displaceable with a change in focal length, wherein said second rotary ring further includes, on its inner cylindrical surface, a cam carrier that is held displaceably in the direction of said optical axis on a cylindrical surface, wherein said holder includes a transmission element in engagement with said cam carrier, and wherein said cam carrier includes a guide element that points inward in a radial direction and which is in engagement with a guide slot arranged perpendicularly to said optical axis on an outer cylindrical surface of said second adjustable carrier.