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Available in cameras equipped with motorized focus, this feature provides automatic adjustment of the focus. AF operates by varying the focus to maximize the high frequency ...

рамка

إلكترونيات استهلاكية; كاميرا الفيديو

One complete TV picture consisting of two sequential interlaced scanned fields. NTSC/EIA has 30 frames of 525 lines per second. PAL/CCIR has 25 frames of 625 lines per second.

гама

إلكترونيات استهلاكية; كاميرا الفيديو

Correction law introduced in the camera output signal to compensate for the non-linearity of the CRT (Cathode Ray Tube) in video monitors. A typical gamma value is 0.45, which ...

хоризонтална резолуција

إلكترونيات استهلاكية; كاميرا الفيديو

Number of equally spaced vertical black-to-white or white-to-black transitions that the camera is able to reproduce, divided by the aspect ratio (usually 4:3) to make a comparison ...

долгорочна интеграција

إلكترونيات استهلاكية; كاميرا الفيديو

Special camera mode similar to the ‘B’ setting of a photographic camera shutter. The CCD integrates over a long (userdefined) period, providing very high sensitivity. Object must ...

минимум осветлување

إلكترونيات استهلاكية; كاميرا الفيديو

Minimum light level needed to achieve a 50% or 100% video output level when the camera is at maximum gain and the lens iris fully open. Can be computed from the nominal ...