laser range finders how can i easily and quickly determine an object's distance from me, without a laser range finder, or the like
i'm not too keen on sextants, astrolabes, slide rules, and their ilk, either. an accuracy of +/- 5 feet would be at the very outside of my desired knowledge. i know this might be impossible. rules of thumb are acceptable, but don't go overboard. thanks!
You can buy a cheap range finder that works with mirrors where you line up 2 images of the same object and read the distance from a scale. Another method would be if you know the height of an object... let's say another person... who is 2 meters tall, you can hold a ruler vertical at 0.5 meters away from your eye and measure the apparent height of the person on the ruler. The formula would be (distance) = 1/(ruler reading) in this case. This is a simple formula to use if you are looking at a 2 meter object and holding a ruler at 0.5 meters away, you would multiply 0.5 x 2 to get 1. You can use any objects but the math becomes more complicated if the values don't multiply to equal something even.
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SICK Laser Range Finder - Intelligent Vehicles Class
A laser range finder is able to compute a distance up to 3 km with an accuracy of 99.5%.?
A laser range finder is able to compute a distance up to 3 km with an accuracy of 99.5%. What possible error is there in a reported measurement of 2500 meters?
99.5% accuracy = .5% error. .5% x 2500 =12.5meters
About Me
Hi, John here. I love golf and tech gadgets and the two merge here with these really cool Golf GPS Systems. I wasn't finding enough information on them to suit me on the internet and can't stand the stuffy pro shops so decided to put together this blog crammed with information, articles, reviews, pics, videos, you name it. Hope you enjoy!
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Hi, John here. I love golf and tech gadgets and the two merge here with these really cool Golf GPS Systems. I wasn't finding enough information on them to suit me on the internet and can't stand the stuffy pro shops so decided to put together this blog crammed with information, articles, reviews, pics, videos, you name it. Hope you enjoy!