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How do speed camera vans work?

Mobile laser systems are often found in vans, which can target vehicles from short or long range. The laser is aimed at the number plate and the returned signal bounces back to the gun to determine the speed. Evidence of which number plate was targeted is recorded on the video, or may be noted by the operator. Laser is a very accurate system, with a speed acquisition time as little as 0.3 seconds. T his is the reason laser guns are being used rather than the old-fashioned radar guns, which found it hard to determine which car was the target. There are various types of laser equipment in use, but all currently use the same 904nM light beam
Popular Questions
How Do Mobile Speed Camera Vans Work?
Municipalities determine where speed cameras are needed. In areas of frequent traffic accidents or habitual speeders, mobile speed cameras are deployed to help enforce speed laws. Speed cameras are generally operated from vans. They may be operated  www.ehow.com
How does a speed camera van work?
Police are able to utilise a variety of handheld laser and radar equipment to calculate the speed of oncoming vehicles. Once the speed is pre-determined, they are able to apprehend any law breaking motorists almost straight away with on the spot  wiki.answers.com
How to Choose a Camera Shutter Speed.
1. Learn a few of the need-to-know terms. The following terms are important ones to understand and be familiar with because they'll be the parts of the camera that you'll be using most: Shutter. The device in a camera which obstructs passage of light  www.wikihow.com
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