Kind Code: A1 Abstract: A ceramic powder contains a metal oxide represented by the following general formula (1). The ceramic powder has a single perovskite-type crystal phase. The ceramic powder is composed of particles having an average equivalent circular diameter in the range of 100 nm or...
the common liquid chamber communication portions18, which communicate with the common liquid chamber19and the individual liquid chambers16; and the orifice communication portions17, arranged so that one end of each communicates with an individual liquid chamber16and the other end communicates with a di...
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Kind Code: A1 Abstract: An image stabilizer for stabilizing an image against unexpected vibrations or shaking of a zoom lens includes a diaphragm arranged to vary its full-open aperture diameter according to a magnification varying (zooming) action from a wide-angle end position to a telephoto en...