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Rifles, Reloading, Optics, Equipment
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Bushnell Compact 800 LRF
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<blockquote data-quote="Ken Howell" data-source="post: 42446" data-attributes="member: 23"><p>What I need to know about anybody's laser rangefinder is how accurate you've found them to be. Lacking a surveyor's chain or a surveyor's rope (which I use — would prefer a chain), check the spacing between utility poles so you can "lase" on known distances — from one pole to four, five, six or however many poles down the line you can "lase" on, within the maximum range of the range-finder. Have a partner hold up a big card at each target pole, and "lase" on that.</p><p></p><p>All other reports about snow, lanyards, battery compartments, and scratched lenses are totally irrelevant TO ME without any sharp report on how ACCURATE the darn thing is — at 567 yards, does it READ 567 yards? If not, how far off is it?</p><p></p><p>Also, if it's off, can you calibrate it? I have a Barr & Stroud (250-20,000 yards) and a Wild (300-20,000 meters) optical range-finders. Last night, I "zeroed" the B&S — set it at infinity, using Venus as my index. (I assume that most would agree that for all practical intents and purposes, we can assume that Venus is at "infinity!")</p><p></p><p>On instruments that show readouts to the last digit or decimal place, accuracy to that last significant figure is often a false assumption. Don't let the readout fool you. Check it.</p><p></p><p>[ 05-11-2001: Message edited by: Ken Howell ]</p></blockquote><p></p>
[QUOTE="Ken Howell, post: 42446, member: 23"] What I need to know about anybody's laser rangefinder is how accurate you've found them to be. Lacking a surveyor's chain or a surveyor's rope (which I use — would prefer a chain), check the spacing between utility poles so you can "lase" on known distances — from one pole to four, five, six or however many poles down the line you can "lase" on, within the maximum range of the range-finder. Have a partner hold up a big card at each target pole, and "lase" on that. All other reports about snow, lanyards, battery compartments, and scratched lenses are totally irrelevant TO ME without any sharp report on how ACCURATE the darn thing is — at 567 yards, does it READ 567 yards? If not, how far off is it? Also, if it's off, can you calibrate it? I have a Barr & Stroud (250-20,000 yards) and a Wild (300-20,000 meters) optical range-finders. Last night, I "zeroed" the B&S — set it at infinity, using Venus as my index. (I assume that most would agree that for all practical intents and purposes, we can assume that Venus is at "infinity!") On instruments that show readouts to the last digit or decimal place, accuracy to that last significant figure is often a false assumption. Don't let the readout fool you. Check it. [ 05-11-2001: Message edited by: Ken Howell ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Bushnell Compact 800 LRF
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