Abstract: A photographing lens apparatus includes a moveable lens frame having a shaft fixing portion to which a shaft for guiding movements of another moveable lens frame is affixed, and a lens retaining frame mounted to the moveable lens frame that integrally retains a plurality of lenses of different apertures and a predetermined diaphragm member disposed among the plurality of lenses. The shaft fixing portion is disposed such that at least a portion thereof overlaps a projected plane defined by a large aperture lens among the plurality of lenses retained by the lens retaining frame as viewed from a front face, and is also disposed in the vicinity of an outer peripheral portion of a small aperture lens among the plurality of lenses retained by the lens retaining frame.

Abstract: A photographing lens apparatus includes a moveable lens frame having a shaft fixing portion to which a shaft for guiding movements of another moveable lens frame is affixed, and a lens retaining frame mounted to the moveable lens frame that integrally retains a plurality of lenses of different apertures and a predetermined diaphragm member disposed among the plurality of lenses. The shaft fixing portion is disposed such that at least a portion thereof overlaps a projected plane defined by a large aperture lens among the plurality of lenses retained by the lens retaining frame as viewed from a front face, and is also disposed in the vicinity of an outer peripheral portion of a small aperture lens among the plurality of lenses retained by the lens retaining frame.

Abstract: The optical system supporting device of the present invention comprises an optical element, a holding member for holding the optical element, a supporting member for displaceably supporting the holding member and a driving means for driving the holding member in a predetermined direction, wherein a holding part for gelatinous damping materials is provided on at least one place of the supporting member and a gelatinous damping material is disposed in the holding part. This optical system supporting device is small and light, and is excellent in cotrollability.

Abstract: The optical system supporting device of the present invention comprises an optical element, a holding member for holding the optical element, a supporting member for displaceably supporting the holding member and a driving means for driving the holding member in a predetermined direction, wherein a holding part for gelatinous damping materials is provided on at least one place of the supporting member and a gelatinous damping material is disposed in the holding part. This optical system supporting device is small and light, and is excellent in controllability.

Abstract: The optical system supporting device of the present invention comprises an optical element, a holding member for holding the optical element, a supporting member for displaceably supporting the holding member and a driving means for driving the holding member in a predetermined direction, wherein a holding part for gelatinous damping materials is provided on at least one place of the supporting member and a gelatinous damping material is disposed in the holding part. This optical system supporting device is small and light, and is excellent in cotrollability.

Abstract: A linear guide apparatus includes a base, a movable member movable to the base, first and second guide receptacles on the movable member, first and second linear guide members, being parallel to each other and received by the first and second receptacles to guide movements of the first and second receptacles, the first guide being fixed on the base and the second guide being arranged on the base, and a pre-load adjusting unit, provided on the base, for supporting the second guide to be movable in parallel to the first guide and for adjusting a distance between the first and second guides, thereby adjusting a pre-load applied between the guides and the receptacles of the movable member. The adjusting unit has a stationary projection fixed on the base, a pre-load block, and pivot angle adjusting mechanism.