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I know this question has been occasionally raised in the context of testing the M25/45's. My experience is that while my Nikon Prostaff Laser 440 (used for hunting) sets off my Blinder M45 in both test and normal modes, it can still take a distance reading. One writer indicated that it was because of different frequencies. Others have indicated that what "good" is the Blinder if it can't jam a simple store-bought laser range finder. It doesn't set off my V1 so I'm thinking it's the frequency thing. Any knowledge or insights out there? I'm going to call Blinder US to get some feedback.
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To get a range you only need 1 reflection. To get a speed multiple reflections are needed to calculate distance moved over time. Jammers do not block every reflection, but interfere with the needed string of reflections to calculate distance moved over time. OK, back to my Holiday Inn I stayed in last night.
Yeah, that's kinda like asking why your cellphone jammer doesn't jam your CB radio. It was not designed to do that, and really, there is no point in doing that. It was specifically designed to jam specific devices, not all infrared light sources on Earth.
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i thought it had to do with blinder using look up tables?
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Don't think that'd be so much the case. I think I've heard of Blinders jamming Osprey rangefinders with speed, which I think run at 195 PPS. Unless, of course, Blinders have a unknown gun algo, and even then, it should provide some sort of jamming to the Nikon.
I think the answers is more with what Won Hunglo said, only one reading is needed for speed. Maybe I'm halucinating, but I thought some jammers took 3 pulses to be able to determine the PPS...or was that how many pulses it took to set off the X50?
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-"Eye" saves: 2
It's also known (courtesy of alpinestars) that the LI will not jam the "range" function on various LIDAR devices. Same reason that Won gave, above.
I actually found the same with my Prolaser 2 and my LPP setup. the PL2 on range setting will get the distance reading as if the LPP is not even turned on when the car is stationary.
this alarmed me at first but as long as the car is moving the LPP does jam it then .
the marksman is however unable to get a 0 speed reading against my LPP when the car is stationary or moving .
different LIDARs operate differently i suppose..
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Re: Why Doesn't Blinder jam Laser Range Finder?
Quote:
Originally Posted by gxsr_sarge
Why Doesn't Blinder jam Laser Range Finder?
Simple, it's a different Wave length of Infra Red Light. Its obviously not within 904nm +or- 33nm. Which is where a detector is built to search for a more Legitiment threat. As range finder speed guns, can't be used against you anyhow in a court of law, as they are not Type Accepted peices of equipment. They are not NHSTA approved, or IACP aproved for use, so techincally it's illegal to use one to right you with a ticket. Therefore, the detector, and jammer companies don't care about them.
AlPiNe~
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Why Doesn't Blinder jam Laser Range Finder? 
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