Lens shutter camera including zoom lens

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, and a movable zoom lens, forming part of said photographic optical assembly, said camera further comprising means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly, a strobe assembly, and means for moving said strobe assembly in association with zooming movement of said zoom lens, wherein said finder optical assembly comprises a first lens group having a stationary positive lens and a movable negative lens, said positive lens being adapted to be closer to a subject being photographed by said camera than said negative lens, a second lens group comprising at least one stationary negative lens, and a third lens group comprising at least one stationary positive lens, wherein said first lens group is closest to said subject along said finder optical assembly optical axis and wherein said third lens group is located farthest from said subject along said finder optical assembly optical axis, said finder optical assembly thereby comprising at least two stationary lenses and at least one movable lens positioned between said at least two stationary lenses.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a zoom lens, said camera further comprising means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly a strobe assembly, and means for moving said strobe assembly in association with zooming movement of said zoom lens, said camera further comprising means for automatically focusing said camera by measuring the distance of a subject from the film plane of said camera by triangulation, said camera further comprising means for extending the base length of said distance measuring device in a macro camera mode when said lens is located beyond an extreme telephoto position, said base length extending means comprising an optical wedge which is movable into the axis of a light receiver forming part of said distance measuring means.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a zoom lens, said camera further comprising means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly, a strobe assembly, and means for moving said strobe assembly in association with zooming movement of said zoom lens, said camera further comprising means for automatically focusing said camera by measuring the distance of a subject from the film plane of said camera by triangulation, said camera further comprising means for extending the base length of a subject distance measuring device when said camera is placed into a macro photographic mode.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a zoom lens, said camera comprising means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly, a strobe assembly, and means for moving said strobe assembly in association with zooming movement of said zoom lens, wherein said zoom lens comprises a front lens group and a rear lens group, said camera comprising a shutter block mounted around said front lens group.

A camera having a photographic optical assembly and a finder optical assembly, said optical assemblies having different optical axes, said photographic optical assembly including a zoom photographing lens with at least one movable lens group for varying the optical length of said zoom lens said finder optical assembly comprising at least one movable lens for varying the finder field of view in accordance with the focal length of the zoom lens, and a variable illumination angle strobe assembly with a lamp which is movable in accordance with the focal length of the zoom lens system, said camera further comprising a gear positioned about at least a portion of said zoom lens, said gear being rotatable in association with zooming movement of said zoom lens to thereby form at least part of a driving system which comprises means for moving said finder optical assembly and said strobe assembly along substantially linear paths in response to movement of said zoom lens along said optical axis.

A camera having a finder optical system and a photographic optical system with different optical axes, said photographic optical system comprising a zoom photographing lens with at least one movable lens group for varying the optical length of said photographic optical system, said finder optical system being separate from said photographic optical system and having at least one movable lens for varying the finder field of view in accordance with the focal length of the zoom lens and a variable illumination angle strobe assembly with a lamp which is movable in accordance with the focal length of the zoom lens, and a driving member which moves in association with movement of said movable lens group, said driving member comprising means for moving said finder optical system and said strobe assembly, said driving member being driven by an exterior surface of a substantially annular member surrounding said movable lens group, wherein said driving member comprises a cam plate, a first pin engaged in one opening on said cam plate, said first pin being attached to said finder optical system, and a second pin engaged in a second opening of said cam plate and attached to said strobe assembly.

A camera having a finder optical system and a photographic optical system with different optical axes, said photographic optical system including a zoom lens movable along the photographic system optical axis, and a strobe assembly, both said finder optical system and said strobe assembly being movable along respective axes which are substantially parallel to said photographic system optical axis, said camera having a gear positioned about at least a portion of said zoom lens and being rotatable about said photographic axis in association with zooming movement of said zoom lens, said camera further comprising means for converting rotational movement of said gear into substantially linear movement of said finder optical system and strobe assembly along said parallel axes.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a movable zoom lens, said camera further comprising means for moving said zoom lens and for moving said finder optical assembly in association with movement of said zoom lens in order to vary the field of view through said finder optical assembly, said moving means including at least one gear positioned about at least a portion of said zoom lens, said gear being rotatable in association with zooming movement of said zoom lens along said optical axis.

A camera having a finder optical assembly and a photographic optical assembly having a movable zoom lens, means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly, a strobe assembly, and means for moving said strobe assembly in association with zooming movement of said zoom lens, said camera including a motor for driving said zoom lens, and for driving said finder optical assembly and said strobe assembly in association with zooming movement of said zoom lens, wherein said camera includes only one motor and wherein said motor is positioned above said zoom lens.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a zoom lens, said camera comprising means for moving said finder optical assembly in association with zooming movement of said zoom lens in order to vary the field of view through said finder optical assembly, and a strobe assembly, wherein said zoom lens comprises a front lens group and a rear lens group, said camera comprising a shutter block mounted around said front lens group.

A camera having a photographic optical assembly and a finder optical assembly, said photographic optical assembly including a zoom lens, said optical assemblies having different optical axes, said zoom lens having at least one moveable lens group for varying the optical length of said system, said finder optical assembly comprising at least one movable lens for varying the finder field of view in accordance with the focal length of the zoom lens, said camera further comprising at least one gear positioned about at least a portion of said zoom lens, said gear being rotatable in association with zooming movement of said zoom lens to thereby form at least part of a driving system which comprises means for moving said finder optical assembly along a substantially linear path in response to movement of said zoom lens along said photographic optical axis.

A camera having a finder optical assembly and a photographic optical assembly with different optical axes, said photographic optical assembly including a zoom lens movable along the photographic system optical axis, said finder optical assembly being movable along an axis which is substantially parallel to said photographic system optical axis, said camera having a gear positioned about at least a portion of said zoom lens and being rotatable about said photographic system optical axis in association means for converting rotational movement of said gear into substantially linear movement of said finder optical system along said parallel axis.