One of the mysteries of the English language finally explained.
1A device that focuses a camera or other piece of equipment automatically.
- ‘The larger issue concerns the fact that some purchasers of the new digital model are complaining that the autofocus doesn't work properly; that the camera focuses slightly ahead of or behind the intended spot.’
- ‘And all of them have an electronic viewfinder instead of an optical one: these models have a light on the front that helps the autofocus do its job even in the dark, a nice touch.’
- ‘Only trick is to wind the window down first (or the autofocus won't work) and don't drop the camera.’
- ‘Actually, where the latter is concerned you've no choice, but I often find myself turning off the autofocus and twisting the focus ring manually, too.’
- ‘Image noise is not too bad and generally the autofocus is quick and effective.’
- ‘It is also useful when the camera's autofocus misbehaves for some reason and insists on focusing on the matrix or the background rather than on the crystals you are trying to capture.’
- ‘The autofocus was shaky in the cold, and my gloved hands kept moving the exposure dial.’
- ‘In either case, you'll know when you're trying to take a picture that's beyond the camera's close-focus capability, because the autofocus won't lock on.’
- ‘If you use the autofocus (which I don't) this is definitely the camera to get.’
- ‘The optical zoom covers a 28 mm to 200 mm range, and the autofocus can be overridden with a manual focus.’
- ‘An almost prescient autofocus instantly zeroes in on your quarry, then continuously adjusts to stay locked on to that charging moose until you nail the shot.’
- ‘You can adjust the output of the flash and set its autofocus to focus on the left, center, right or all three areas within the image frame.’
- 1.1 Automatic focusing.
- ‘Manual-focus cameras use a linear polarizer, while many autofocus cameras use a circular version.’
- ‘When shooting, the camera is satisfyingly responsive, with quick autofocus and minimal shutter delay.’
- ‘The combination of low angle, wide lens and autofocus created a unique perspective.’
- ‘An autofocus camera typically shifts the positions of some of those optical elements forward and backward until a sensor that monitors contrast differences in the field of view detects sufficient detail.’
- ‘The central microprocessor receives information from the autofocus system and the light meter.’
- ‘A bottom end camera body, but with autofocus.’
- ‘But this particular shot couldn't have been taken with anything other than an autofocus camera.’
- ‘Precision and speed of autofocus are of the utmost importance for the quality of object detection and the slide scanning results.’
- ‘There's no autofocus, no auto-exposure, no auto-film-winding, no auto-nothing.’
- ‘If you were to photograph people, then I would say autofocus would be useful.’
- ‘Don't expect to find autofocus or any to other ‘latest features' type stuff on them.’
- ‘The microscope also has an autofocus mechanism.’
- ‘The company has also developed some novel technology to drive autofocus mechanisms for mobile phone cameras.’
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