- depth lens
- 深度镜片
Medical Chinese dictionary (湘雅医学词典). 2013.
depth lens
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Depth perception — is the visual ability to perceive the world in three dimensions (3D) and the distance of an object. Depth sensation is the ability to move accurately, or to respond consistently, based on the distances of objects in an environment.[citation… … Wikipedia
Lens speed — refers to the maximum aperture diameter, or minimum f number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f number) is a fast lens because it delivers more light intensity (illuminance) to the focal… … Wikipedia
depth of field — depth′ of field′ n. opt pht the range of distances along the axis of an optical instrument, usu. a camera lens, through which an object produces a relatively distinct image. Also called depth′ of fo′cus • Etymology: 1910–15 … From formal English to slang
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
Depth of focus — For the seismology term, see Depth of focus (tectonics). Depth of focus is a lens optics concept that measures the tolerance of placement of the image plane (the film plane in a camera) in relation to the lens. In a camera, depth of focus… … Wikipedia
Depth-of-field adapter — A depth of field adapter (often shortened to DOF adapter) is used to achieve shallow depth of field on a video camera whose fixed lens or interchangeable lens selection is limited or economically prohibitive at providing such effect. A DOF… … Wikipedia
depth of field — the range of distances of the object in front of a camera lens or other image forming device measured along the axis of the device throughout which the image has acceptable sharpness * * * Optics, Photog. the range of distances along the axis of… … Useful english dictionary
Depth of Field — F/A/V The amount of space within lens view which will maintain acceptable focus at given settings (i.e. camera speed, film speed, lens aperture). (Cinematography) HD Depth of field is a term which refers to the areas of a picture both in front… … Audio and video glossary
depth of field — The distance range between the nearest and farthest objects that appear in acceptably sharp focus in a photograph. Depth of field depends on the lens opening, the focal length of the lens, and the distance from the lens to the subject … Forensic science glossary
depth of field — the depth of composition of a shot, i.e., where there are several planes (vertical spaces in a frame): 1) a foreground 2) a middle ground, and 3) a background; depth of field specifically refers to the area, range of distance, or field… … Glossary of cinematic terms
depth of focus — 1. : the range of distances of the image behind a camera lens or other image forming device measured along the axis of the device throughout which the image has acceptable sharpness 2. : depth of field not used technically * * * ˌdepth of ˈfield… … Useful english dictionary
