One of the mysteries of the English language finally explained.
1informal A photoelectric cell or similar electrical device used for detection or measurement.
- ‘The camera's magic eye doesn't know exactly what subject you want to be in focus and picked the wrong one in the viewfinder!’
- ‘The depth of field in macro is very shallow, so note where the camera magic eye is indicating the focus point is, relative to the subject, before slowly pressing the shutter release.’
- ‘With today's auto-focus cameras, the magic eye will focus on the centre of the picture, not at the intersection of thirds.’
- ‘The magic eye in the camera focuses on a spot in the middle of the screen.’
- ‘Try this exercise this weekend and you may be amazed at how often your camera's magic eyes seem to be closed!’
2A small cathode ray tube in some radio receivers that displays a pattern which enables the radio to be accurately tuned.
- ‘I've forgotten how many radios I repaired and enjoyed, but my favourites all had Magic Eyes.’
- ‘Although fine for adjusting broadcast stations, the Magic Eye was not useful for tuning weak signals in a crowded band.’
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