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Kahles scope

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/25/2010 at 19:46
little cleo View Drop Down
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I just got a new Kahles 4x12x52 scope with the ballistic turret.  I have a 3x12x42 Schmitt Bender on my other rifle.  I noticed after shooting them both tha the Kahles on higher power seemed not as powerful as the Schmitt Bender.  Is there something I'm not adjusting.  Ilike the clarity.  So far I have been working up reloads and haven't really sighted it in or messed with the turret.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/25/2010 at 20:17
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So, are you saying the image isn't the same apparent size when viewed through both scopes set at exactly the same power?  Is it possible this could be an optical illusion due to field of view differences?  Look at a target with both scopes set at the same power, side by side at the same distance and see if the circles and/or grid on the target appear the same size.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/25/2010 at 20:29
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  I tried to find the specs showing actual magnifications for both scopes but nothing.  Then got to thinking about FOV and here's what I found. Now whether this small amount would make the difference I don't know:
 
       Kahles = 10'@12x
 
       S&B = 11.4'@12x
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/25/2010 at 20:46
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If you look at each manufacturer's FOVs for their scopes, you'll find that they aren't the same for the same power ranges.  I'm not sure if it has anything to do with the eyebox and eye relief, but I'd sure be curious to their relationship.  

If you look at a Leupold 1.5-5 power VX-3 and a 1.5-6 power Zeiss, Kahles or Swarovski PH or Sightron SII, you'll find that they are close to the same field of views, but some may have more or less each other.  Same holds true with the Swaro 1.25-4 PH and the Trijicon 1.25-4 Accupoint.

Does it affect anything?  only you will be able to tell (IMO).  Maybe someone with more optics savvy can shed some light on this...
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/26/2010 at 00:53
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  Guess we'll need to wait til he answers Ted's post.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/26/2010 at 12:52
little cleo View Drop Down
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I'll look again real close but yes it appears that the SB scope on 12x is stonger power than the 12x Kahles.  Maybe it is me or an illusion but when I said something to my friend at the range he noticed it too.  This is all new to me and I can live with it I just wanted to get everyone elses take.  Thanks guys
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/26/2010 at 13:25
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  There's still a possibility that the ACTUAL magnification of the two are different with the advantage going to the S&B.  Some manufacturers evidently round off that spec to an even or half value.  Leupold for example lists the actual magnification specs in their catalog.  Some are less than the advertised magnification specs. I'd do what Ted suggested:
 
  " Look at a target with both scopes set at the same power, side by side at the same distance and see if the circles and/or grid on the target appear the same size.
 
 
   Let us know your findings!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: April/26/2010 at 20:28
little cleo View Drop Down
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I will
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