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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Leica Press Release - CRF-1600
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<blockquote data-quote="captbilly" data-source="post: 435551" data-attributes="member: 27126"><p>Perhaps I am not understanding your comment but... All of these laser range finders are limited in the amount of power they can put into the laser beam so the only way to increase range (everything else being equal) is to narrow the divergence of the beam. The Swarovski uses a very narrow beam in order to get longer range, not a wider beam. There are other things the engineer can do such as lower noise in the amplifiers and light sensors, increased magnification and sharpness of the receiving end of the laser sensor system, larger receiving lens to gather more light, etc. but at some point you get to a signal to noise ratio that is just too low to reliably pick up. In addition if you widen the beam you also greatly increase the chances that you are not actually reading the range of the object of interest.</p></blockquote><p></p>
[QUOTE="captbilly, post: 435551, member: 27126"] Perhaps I am not understanding your comment but... All of these laser range finders are limited in the amount of power they can put into the laser beam so the only way to increase range (everything else being equal) is to narrow the divergence of the beam. The Swarovski uses a very narrow beam in order to get longer range, not a wider beam. There are other things the engineer can do such as lower noise in the amplifiers and light sensors, increased magnification and sharpness of the receiving end of the laser sensor system, larger receiving lens to gather more light, etc. but at some point you get to a signal to noise ratio that is just too low to reliably pick up. In addition if you widen the beam you also greatly increase the chances that you are not actually reading the range of the object of interest. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Leica Press Release - CRF-1600
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