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Usb - universal serial bus
| Глоссарий терминов по видеокамерам |
Usb universal serial bus the data i/o port on most digicams and found on modern pc and mac computers. faster than the serial port. up to 12mb/s with v1.1 interfaces. usb 2.0 the newest usb standard, close in throughput speed to firewire now. up to 400mb/s. it`s important to note that many manufacturers are now duping the buying public by using
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Throughput, английский
- A measure of the efficiency of an optical system in terms of the luminous flux collected and delivered; also “etendue”.
- Пропускная способность (трубопровода); объём выпуска (продукции); производительность
- A measure of the amount of information transmitted over a network in a given period of time.
- In data communications, the total traffic between stations over a period of time.
- The data transfer rate of a network, measured as the number of bits per second transmitted.
- The total amount of output produced by a resource.
- The volume of work or information flowing through a system.
- The amount of raw material processed in a specific time. this is the actual amount, not a percentage.
- Объем производства
- Quantity of gas, or total number of molecules at a specific temperature, passing a section of a vacuum system per unit of time. see also leakage rate; mass flow rate; volumetric flow rate.
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Uv filter, английский
- This is an ultraviolet absorbing filter that helps overcome the abundance of blue in outdoor photographs. not really necessary in digital photography as the camera`s white balance system adjusts for the color temperature of the scene. we do use them to protect the camera`s lens from scratching, fingerprints or dirt.
- A clear, colorless filter that stops most ultraviolet rays from recording on film. handy for shooting distant landscape shots, as it eliminates the bluish haze that might otherwise veil the picture.
- This is an ultra violet absorbing filter that helps overcome the abundance of blue in outdoor photographs. not really necessary in digital photography as the camera’s white balance system adjusts for the colour temperature of the scene. can be used to protect the camera’s lens from scratching, fingerprints or dirt.
Unsharp masking, английский
- A process by which the apparent detail of an image is increased; generally accomplished by the input scanner or through computer manipulation.
- (unsharp mask). the process by which the apparent detail and sharpness of an image is increased. generally accomplished by the input scanner or through computer manipulation using editing software.
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