SHOWALL FUN PRANKS HIGH VOLTAGE LAZARUS-64 PHOTOGRAPHY SPY GADGETS VIDEO GAME
Figure 2 - My camcorder uses the 4 pin 1/8 inch connector and is labeled AV
Figure 2 - My camcorder uses the 4 pin 1/8 inch connector and is labeled AV

Figure 2 shows the 1/8 inch style connector that was popular on many tape based camcorders. This connector is the same size as a typical 1/8 inch headphone jack, but has four conductor rings, rather than the usual three as found on a headphone connector. At the other end of this cable is a set of standard RCA jacks to allow the camera to be plugged into any composite video compatible equipment. This external video jack on most camcorders is called a "dubbing jack" as it can be used to record video from an external source or send video from your camera out to another video recorder. Check your camera's manual to ensure it has this function.



Figure 3 - My camcorder uses the 4 pin 1/8 inch connector and is labeled AV
Figure 3 - My camcorder uses the 4 pin 1/8 inch connector and is labeled AV

I use many small video cameras for security work, machine vision experiments and robotic projects. They range in size from half an inch square to a quite large depending on the features, imaging system, and type of lens installed. For most indoor work, a small board camera with a fixed medium to wide angle lens will be perfect, but there are times when you need to see a much larger area or over great distances, so these cameras have several body types that allow the use of multiple lens styles. Extremely tiny spy cameras will not have this option, as they use a very tiny glass or plastic lens built right into the housing. There will be a bit of a trade-off between image quality and size.

For most covert work, size will be the key factor in camera selection, so you probably won't be dealing with multiple lenses or even have a choice. In Figure 3, you can see the huge difference in size between the long range motorized lens telephoto camera on the left and the tiny spy camera at the front of the photo. The tiny spy camera has a simple fixed medium angle lens and will run from a 6 volt power source for many hours. The larger camera uses a computer to control the motorized zoom lens and requires multiple power sources and electronic control systems in order to operate. For this project, an inexpensive black and white mini camera with a medium to wide angle lens that will run from a 6 or 9 volt power source will be perfect.

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