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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/27/2007 at 22:46
Rem722 View Drop Down
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I inherited a rifle recently and it has a Bushnell Sportsview 3 x 9 on it. It is different than any scope that I have seen. The top knob has numbers on it from 150 to 500 and the magnification numbers each have the letters D, E, and A with a with its own color and number next to it. If that isn't confusing enough, when you look through the scope there is two horizontal cross hairs, one just above the other. Can anyone tell me what the scope was used for?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/29/2007 at 21:25
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Sounds like the two lines are used to estimate range to target probably deer size game at 150 yds the distance between top and bottom line represent back and tummy of a deer.  Same same for distances out to 500 yds which gives you some idea of how far to hold over if you know the trajectory info of the cartridge you are shooting. the top line is probably sighted at 100 yds and at 9x the lower line probably represents about 200 yds try it on the range and see.  This is just a guess but an educated guess.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/29/2007 at 23:28
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 I'm not really sure how that particular scope worked exactly, but the premise was that you used it to range an animal. Hence the lettering. (A = antelope, D = deer, E= elk.) You bracket the distant animal between the crosshairs and turn the magnification ring until the back-to belly fit snugly brackets that animal. ( It is by necessity a Second Focal Plane optical system.) When it does bracket the animal, you read the approximate distance to that type of animal (150 to 500 yards). The system is based on animals of "average" size, so use the "A" mark for a smallish deer, etc. There was possibly a BDC, (Bullet Drop Compensator) provision built into it, but I'm not sure how that all worked. I think that only one of the crosshairs was intended to be used for aiming. Someone will be along soon to elaborate/correct!

  Edited to apologise for parroting some of urimaginaryfrnd's thoughts. Should have read his post before responding. I think we each have SOME of the pieces to this puzzle, though.



Edited by RONK
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2007 at 22:12
Rem722 View Drop Down
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Thank you both for the help. To tell the truth it sounds a little more complicated than it's worth. I plan on replacing it soon with a new scope. Thanks again for your help.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2007 at 10:17
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Ronk told you correctly. The ranging system has you bracket the animal and then you adjust power until the lines just fit the animal from belly to back. Once you have an approximate range you use the elevation know (Bullet Drop Compensator) to adjust the scope to proper zero.

The elevation knob (on top) with the numbers on it is the bullet drop compensator. You simply dial the correct range and drop bullet drop is roughly accounted for. That is of course assuming the scope is zeroed. One thing to keep in mind is that Bushnell made several different 'turrets' that were matched to different calibers. If you take the top knob off you may be able to find a marking that says ".223" or "..308" etc.

As for where to aim, if you look you will notice that one of the horizontal lines is right in the center of the scope. That is your aiming point.

Hope that helps.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2007 at 16:29
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Thank you, that helps a lot. I'm going hunting next week, try it out if I get the chance.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2007 at 21:45
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 Thanks, Greysteel, for your input! It makes sense that the elevation turret is also used as a Bullet Drop Compensator. It should work  pretty well if the scope's mechanical adjustments are solid and accurate, and if you use the correct cam for whatever cartridge, or class of cartridges you are using.

 Rem 722, I would spend some serious range time with it to find out how well it works before discarding it OR hunting with it. I doubt that it would be very hard to figure out how to use it, and you may find it useful for the longer shots, but you need to know it's capabilities and it's limitations BEFORE you go hunting with it. If you can't get to a 500 yard range, at least zero it at 100 yards and shoot a few groups at various settings, on a large target. That will tell you a lot right there, and we'll be glad to help interpret your results, if needed.(Take pictures if you can.) If you decide that you don't like or need the ranging system for your hunting situations, you can simply ignore the upper wire and use it, ( after zeroing it in, of course ) exactly as you would any conventional scope. Good luck and let us know how it pans out.

  

 

 

 

 

 

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