VIDEO CAMERA WITH ZOOM LENSPROBLEM TO BE SOLVED: To provide an inexpensive zoom lens video camera with a high zoom ratio that obtains video images with an increased zoom ratio of zoom lenses by using two electronic cameras incorporating the zoom lenses.KONO KEIZO...
PROBLEM TO BE SOLVED: To provide a zoom lens, which permits both photographing under visible light and photographing under infrared rays, is made comparatively inexpensive and reduces the fluctuation of aberration, concerning the zoom lens appropriate for a video camera by arranging an infrared ray ...
Zoom lens with aspherical plastic lenses for video camera In order to realize a compact and light-weight zoom lens for video camera, we have applied the aspherical plastic lens technology. In this desi... Masahiko Yatsu,Hitachi,Ltd.,... - Design of Optical Instruments 被引量: 0发表: 1992...
A zoom lens includes: a first lens group (11) including a negative lens (1a), a positive lens (1b), and a positive meniscus lens (1c) having a convex surface on an object side; a second lens group (12) including a negative lens (2a) and a cemented lens composed of a double-con...
The zoom lens, as well as video cameras and digital still cameras using the same Comprising a camera shake correction function, and it is possible to prevent deterioration of the chromatic aberration during image stabilization, miniatur... 山田 克,敬三 石黒,石黒 敬三,... 被引量: 0发表: ...
change intervals for zooming, the first lens group (G1) having a concave lens element (L1) and a convex lens element (L2), the second lens group (G2) having a set of a cemented lens element (L3) ~ (L5), the first The third lens group (G3) having a convex lens element (L6)....
A zoom lens capable of correcting camera shake and being reduced in size and weight, comprising five groups of lenses respectively having positive, negative, positive, negative, positive refractive powers, the second lens group () varying power, the fifth lens group () adjusting focusing. The ...
Built-in Memory Size . Additional Function Recording Function, NightShot Plus, Super Macro Function Screen Size 0.83" Maximum Aperture . Private Mold Yes Brand Name UPDATING Model Number . Media Type HDD / Flash Memory Optical Zoom 10x - 20x Show more Lead timeKnow your supplier ...
United States Patent US6999241 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
Zoom lens system with temperature compensation function and video camera using the sameUS6710932 * Dec 11, 2002 Mar 23, 2004 Matsushita Electric Industrial Co., Ltd. Zoom lens system with temperature compensation function and video camera using the same...