Definition, Meaning & Synonyms | English word AUTOFOCUS

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Definitions of AUTOFOCUS

1. To focus automatically.
2. (electronics, photography) A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically

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Examples of Using AUTOFOCUS in a Sentence

• Manual focusing is usually a requisite for professional filmmaking, because autofocus systems may focus on undesired objects, or fail to adjust quickly enough to sudden changes.
• Some phone cameras have a label that indicates the lens manufacturer, megapixel count, or features such as autofocus or zoom ability for emphasis, including the Samsung Omnia II or S8000 Jet (2009) and Galaxy S II (2011) and S20 (2020), Sony Xperia Z1 (2013) and some successors, Nokia Lumia 1020 (2013).
• Canon EOS (Electro-Optical System) is an autofocus single-lens reflex camera (SLR) and mirrorless camera series produced by Canon Inc.
• Although the Nikon F3AF (1983), Pentax ME F and Chinon CE-5 already had presented autofocus single lens reflex cameras, autofocusing could not be achieved without the use of special motorised AF lenses.
• All 630/600 models have faster autofocus with "focus prediction", 7 custom functions (including options for back-button focus and film leader out), 7 Programmed Image Control (PIC) modes and 5 frames per second film transport, an improvement from the 650's 3 fps.
• There he worked with such directors as Atom Egoyan (Sweet Hereafter, Ararat), Don McKellar (Childstar), Bruce McDonald (Picture Claire, Hard Core Logo) and Paul Schrader (Autofocus).
• Finally there was the rarely seen 'F3AF', a model which included an autofocus (AF) pentaprism finder (DX-1) capable of autofocusing with two special AF Nikkor lenses—the first of their kind, which included focus motors in the lens bodies.
• 0+ Mpx) and camcorders (video recording), with autofocus and flash, ringtones, games, PTT, memory card reader (SD), USB (2.
• A camera with a smaller sensor can be preferable to using a teleconverter, because the latter affects the f-number of the lens, and can therefore degrade the performance of the autofocus.
• The MX is all manual: it does not feature autofocus or autoexposure modes such as aperture-priority, shutter-speed priority, or full program.
• This lens utilizes Canon's STM (STepper Motor) focusing mechanism, which supports the Movie Servo autofocus mode.
• Plenoptic cameras are good for imaging fast-moving objects that outstrip autofocus capabilities, and for imaging objects where autofocus is not practical such as with security cameras.
• Mirrorless interchangeable lens cameras, which like bridge cameras are mirrorless, rely on electronic viewfinders or LCD screens and generally do not sacrifice autofocus features when using these displays.
• The body features considerable automation, with a built-in motor drive for film advance and rewinding, an autofocus system with multiple modes, DX film speed detection, and an aperture-priority autoexposure mode.
• After 1985, following the introduction and subsequent explosive popularity of autofocus SLRs, the market for manual focus lenses shrank, and Kiron concluded operations by 1988.
• The camera featured an autofocus system based on six linear CCD sensors, on-film data recording and an MTF autoexposure mode which chooses the aperture for maximum sharpness.
• Many accessories were made available for the CE-5 soon after its production, including power winders, dedicated flashes, "Info-Back" data-imprinting units, "Auto Date digital data imprinting" units, lenses advertised as "Super multicoated lenses", autofocus lenses and more.
• In terms of the Minolta AF and subsequent Konica Minolta and Sony α DSLR systems, this lens is an exception, being the only lens guaranteed to autofocus at 8 on SLRs and DSLRs relying on dedicated PDAF sensors.
• Until 2013, MFT cameras exclusively used contrast-detection autofocus (CDAF), a common autofocus system for mirrorless compact or "point-and-shoot".
• Its image processor provides face-priority autofocus, in-camera red-eye fix, D-lighting, backlight and panorama assist.
• 2-inch AMOLED capacitive touchscreen, a 5 megapixel autofocus camera with power LED flash, and a digital compass.
• 1 Megapixel Camera with Autofocus, LED flash, x16 digital zoom, Geotagging, Face detection, Smile Shutter and the Best Picture Feature.
• Its capabilities include: a Global Positioning System receiver with maps and optional turn-by-turn navigation; an autofocus 5-megapixel digital camera with LED flash, flash, video recording and video conferencing; wireless connectivity via HSDPA, DLNA, Wi-Fi 802.
• Luther George Simjian (1905–1997) inventor of 200 inventions, including the autofocus camera, ATMs, flight simulator, postage meter, teleprompter, medical ultrasound, golf simulator, meat tenderizer, and color X-ray machine.
• All models had a fixed zoom, motorized stepless autofocus, autoexposure, a built-in pop-up flash, motorized film transport, and automatic (DX) film sensing.

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