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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: 42451" data-attributes="member: 23"><p>Thanks, p dog shooter! That's the kind of reliable information I was asking for. I've used a friend's Leitz Geovid, and probably will again, but had no idea how well I could rely on what it was telling me.</p><p></p><p>BTW, my son is a surveyor. It's my understanding that in the "total stations" they use (instead of the optical transits we old coots used to use) infrared rays have replaced lasers. I've discussed accuracy with his boss, and I don't buy the idea that those devices are more accurate than a chain (actually a steel tape) used properly and skillfully by an old-time surveyor. I've seen errors of closure that were too small to go along with that notion. Proper use of the chain requires several special techniques to allow for slope, air temperature, etc. You don't just lay it on the ground and read the nearest tick mark.</p><p></p><p>Also, surveyors use instruments a heck of a lot more precisely made than a laser range-finder, and they use a special reflector for their readings — not just whatever cactus, rock, or prairie-dog mound offers itself.</p><p></p><p>[ 05-12-2001: Message edited by: Ken Howell ]</p></blockquote><p></p>
[QUOTE="Ken Howell, post: 42451, member: 23"] Thanks, p dog shooter! That's the kind of reliable information I was asking for. I've used a friend's Leitz Geovid, and probably will again, but had no idea how well I could rely on what it was telling me. BTW, my son is a surveyor. It's my understanding that in the "total stations" they use (instead of the optical transits we old coots used to use) infrared rays have replaced lasers. I've discussed accuracy with his boss, and I don't buy the idea that those devices are more accurate than a chain (actually a steel tape) used properly and skillfully by an old-time surveyor. I've seen errors of closure that were too small to go along with that notion. Proper use of the chain requires several special techniques to allow for slope, air temperature, etc. You don't just lay it on the ground and read the nearest tick mark. Also, surveyors use instruments a heck of a lot more precisely made than a laser range-finder, and they use a special reflector for their readings — not just whatever cactus, rock, or prairie-dog mound offers itself. [ 05-12-2001: Message edited by: Ken Howell ] [/QUOTE]
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Bushnell Compact 800 LRF
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