Camera Technician Interview Preparation Guide
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Camera Technician related Frequently Asked Questions by expert members with job experience as Camera Technician. These questions and answers will help you strengthen your technical skills, prepare for the new job interview and quickly revise your concepts

55 Camera Technician Questions and Answers:

1 :: How Do We Connect An Auto Iris Lens To A Camera?

This is usually performed by a simple plug-in connection to the rear or side of the camera. However you should always refer to the relevant camera handbook.
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2 :: What is codec?

A codec is file format for recording video files. Popular codecs include H.264, MJPEG, MPEG-4 AVC/H.264 and AVCHD.
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3 :: What is CMOS (Complementary Metal Oxide Semiconductor)?

A type of imaging sensor, CMOS chips are less energy consuming than CCD-type sensors and are the dominant imaging technology used in DSLRs. Although once considered an inferior technology compared to CCD sensors, CMOS sensors have vastly improved and now represent the more common sensor technology.
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4 :: Do you know what is bit?

A bit (binary digit) is the smallest unit of digital information. Eight bits equals one byte. Digital images are often described by the number of bits used to represent each pixel, i.e., a 1-bit image is monochrome; an 8-bit image supports 256 colors or grayscales; while 24 or 32-bit images support an even greater range of color.
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5 :: What is ATSC?

ATSC is the abbreviation for Advanced Television Systems Committee, which developed a set of standards for digital television transmission over terrestrial, cable, and satellite networks.
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6 :: What is aperture Priority?

A metering mode in which the photographer sets the desired lens aperture (f-stop) and the camera in turn automatically sets the appropriate shutter speed to match the scene being recorded. Portrait photographers usually prefer wider apertures for shallower depth of field (DOF), while landscape photographers prefer smaller apertures, which bring more of the scene into sharper focus. See Shutter Priority, below.
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7 :: What is 1080i?

Similar to 1080p video, the “i” stands for “interlaced,” which differs from 1080p (progressive) video in that each frame contains two fields of data (but typically has double the frame rate). While progressive video is too large for broadcast, 1080i exists primarily for broadcast use, as the lower frame rate allows the signal to be sent over 60 Hz systems. The signal is 60i for NTSC or 50i for PAL.
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8 :: Can you tell me what do you feel is the most important skill a video camera operator should possess?

Creative Flair. Although being technically capable is important, creativity always needs to adapt to the project. Whereas once you know how to use a camera to a professional standard, the rate of development will lessen in comparison to thinking creatively and being innovative.
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9 :: What is IP55?

☛ Protected against dust - limited ingress.
☛ Protection against low-pressure jets of water from all directions - limited ingress permitted.
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10 :: Please explain what's The Difference Between Hardware Compression And Software Compression?

Hardware Compression: Both Capturing Video Signal and Compressing Video Signal are done by DSP chipset integrated on DVR Board. It doesn't need the computer's CPU to do this work. It's low cost of CPU and RAM resources. In this system the computer CPU's task focus on answering network request, streaming the video/audio to network and saving recorded data to local hard disk.

Software Compression: The DVR Board only capture video signal but doesn't compress it, it is the computer CPU and RAM to do this compression work. It's high cost of CPU and RAM resources. In this system the computer CPU and RAM are often overloaded. It is easier to crash than hardware compression system.
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