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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.
![]() |
![]() | BRAND NEW Bushnell Tour V2 Golf Laser Rangefinder with Pinseeker | ![]() | 3 Bids | US $237.50 | 5h 18m |
![]() | CALLAWAY LR550 YELLOW LASER RANGEFINDER 2012 MODEL | ![]() | 1 Bid | US $199.00 | 6h 6m |
![]() | Bushnell Pro 1600 Tournament Edition 7x26 Laser Rangefinder | ![]() | 1 Bid | US $234.99 | 6h 26m |
![]() | Laser Rangefinder Skin Orange | ![]() | ![]() | US $24.00 | 7h 52m |
![]() | Laser Rangefinder Skin Clear | ![]() | ![]() | US $24.00 | 7h 54m |
![]() | BUSHNELL TOUR V2 LASER RANGEFINDER | ![]() | 15 Bids | US $140.00 | 8h 7m |
![]() | LASER LINK RED HOT GOLF RANGEFINDER | ![]() | 0 Bid | US $.99 | 8h 13m |
![]() | LASER LINK QUICKSHOT GOLF RANGEFINDER | ![]() | 2 Bids | US $.99 | 8h 15m |
![]() | Bushnell Pinseeker Medalist Laser Rangefinder [1/L290951A] | ![]() | 30 Bids | US $90.01 | 11h 43m |
![]() | Laser Link Eagle Range Finder | ![]() | 0 Bid | US $100.00 | 12h 12m |
![]() | 2011 Laser link Red Hot Golf Rangefinder Pre-Owned Used | ![]() | 16 Bids | US $168.73 | 23h 40m |
![]() | Bushnell Yardage Pro Legend 20-0003W - Rangefinder ( laser ) 6 x 23 | ![]() | 0 Bid | US $100.00 | 23h 50m |
![]() | Bushnell Pro 1600 Laser Range Finder, Slope, Pin Seeker | ![]() | 2 Bids | US $202.50 | 1d 2h 38m |
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![]() | Laser Link Red Hot Rangefinder | ![]() | 1 Bid | US $100.00 | 1d 6h 4m |
![]() | Laser Link QuickShot Laser Rangefinder | ![]() | 21 Bids | US $20.51 | 1d 9h 13m |
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![]() | Laser Link Quickshot Range Finder with case slightly used | ![]() | 21 Bids | US $66.99 | 2d 9h 55m |
![]() | Laser Link Red Hot Laser Rangefinder | ![]() | 6 Bids | US $237.50 | 2d 11h 13m |
![]() | NEW Leupold GX-4 Golf Laser Rangefinder 110333 | ![]() | ![]() | US $357.99 | 9d 23h 25m |
![]() | NEW Bushnell Tour V2 Laser Rangefinder 5x24 Slope Edition | ![]() | 0 Bid | US $325.00 | 3d 1h 32m |
![]() | BUSHNELL YARDAGE PRO SPORT 450 LASER RANGEFINDER 20-1916 201916 | ![]() | ![]() | US $99.95 | 1d 1h 21m |
![]() | Bushnell Tour V2 Laser Range Finder 201933 | ![]() | 12 Bids | US $57.00 | 3d 8h 15m |
![]() | Laser Rangefinder Skin Blue | ![]() | 1 Bid | US $17.99 | 3d 11h 52m |
![]() | Leupold GX-3 Digital Golf Laser Rangefinder, Tournament Legal | ![]() | 11 Bids | US $102.50 | 4d 35m |
![]() | Bushnell PinSeeker Hybrid Golf GPS Laser Rangefinder - BRAND NEW IN BOX | ![]() | 2 Bids | US $260.00 | 4d 6h 47m |
![]() | Leupold GX3 Golf Laser Rangefinder Prism Lock PinHunter Tournament 68015 - GX-3 | ![]() | ![]() | US $291.86 | 1d 8h 53m |
![]() | Nikon Callaway Laser iQ Rangefinder LCD and LED | ![]() | 0 Bid | US $220.00 | 4d 12h 4m |
![]() | BUSHNELL PRO 1600 TOURNAMENT EDITION LASER RANGEFINDER | ![]() | 1 Bid | US $169.99 | 5d 59m |
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![]() | golf laser range finder bushnell quality | ![]() | ![]() | US $239.99 | 4d 9h 43m |
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![]() |
![]() | Nikon Callaway LR550 Golf Laser Rangefinder-Yellow- NEW | ![]() | ![]() | US $219.00 | 5d 5h 34m |
![]() | Bushnell Pinseeker Hybrid Golf GPS Laser Rangefinder | ![]() | 7 Bids | US $285.99 | 9h 43m |
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![]() | BUSHNELL PINSEEKER HYBRID GOLF GPS LASER RANGEFINDER 201951 | ![]() | ![]() | US $499.99 | 15d 21h 1m |
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| | Bushnell Scout 1000 ARC Laser Rangefinder $279.95 Scout 1000w/ ARCLevel more than just the playing field. Lay'em flat from up high or down low. Amazingly compact and simple to use, our new Scout 1000 with angle Range Compensation (ARC) figures distance based on terrain angle to give you accurate "shoot-like" distance. In Rifle mode, it even tells y |
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| | Bushnell Tour V2 Laser Rangefinder w/ Pinseeker $299.95 Tour V2™w/ Pinseeker®The world's smallest, most advanced laser rangefinder - measuring a mere 1.6 x 2.8 x 4.3 in., weighing only 6.6 oz. and accurate 5 to 1,000 yards. Comes with a carrying case and straps. The Tour V2 is legal for tournament play and for posting of scores for handicap pu |
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| | Bushnell Legend 1200 ARC 6x Laser Rangefinder $349.95 Legend 1200 ARC - The Short Action Magnum Of Laser Rangefinders.In ranging distance and ballistic capability, no unit on the market packs this much power in such a handy, easy-to-use package. Engineered with a compact, vertical configuration, the new Legend 1200 ARC delivers instant distance reading |
| | Bushnell Tour V2 Slope Edition Laser Rangefinder w/ Pinseeker $329.95 Tour V2™ Slope Editionw/ Pinseeker®The world's smallest, most advanced laser rangefinder - measuring a mere 1.6 x 2.8 x 4.3 in., weighing only 6.6 oz. and accurate 5 to 1,000 yards. Comes with a carrying case and straps. The Tour V2 is legal for tournament play and for posting of scores f |
| | Bushnell Medalist Laser Rangefinder w/ Pinseeker NEW LOW PRICE $209.95 Medalist™with Pinseeker®Compact size with the power you've always wanted. The new Tour V2 laster rangefinder rests in your hand with an ergonomic precision that builds pride and confidence. Its guts are 100% Bushnell laser rangefinder but the package outside will rival your favorite driver |
| | Bushnell Pro 1600 Tournament Edition Laser Rangefinder w/ Pinseeker $379.95 Pro 1600 Tournament EditionMore modes, fewer strokes and legal for tournament play. The new Pro 1600 Tournament Edition with PinSeeker® is the ultra-accurate laser rangefinder more pros trust their game to than any other. Our PinSeeker Technology allows for easy acquisition of the flag without i |
| | Bushnell Yardage Pro 800 8 x 20 Compact Laser Rangefinder NEW LOW PRICE $199.95 BUSHNELL YARDAGE PRO 800 8X20 COMPACT LASER RANGEFINDERCompact 800 Yardage Pro RangefinderTake your best shot with confidence with help from a Bushnell Yardage Pro 800 Compact laser rangefinder. Using highly developed digital technology, Yardage Pro takes the guesswork out of measuring distances. Ya |
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| | Bushnell Pro 1600 Slope Edition Laser Rangefinder w/ Pinseeker $439.95 Pro 1600 Slope EditionThe measure of success - distance adjusted for elevation. Using a digital inclinometer, the Pro 1600 Slope Edition w/PinSeeker determines distances based on the degree of elevation change. It doesn't just tell you how far - it tells you exactly how far to play it. So you'll nev |
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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











![Bushnell Pinseeker Medalist Laser Rangefinder [1/L290951A]](http://www.aboutmarcom.com/images/e/150749219001_0.jpg)





























































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!