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Question about Bushnell 4200

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2007 at 21:33
Laundryboy View Drop Down
Optics GrassHopper
Optics GrassHopper


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 I just bought a new Bushnell Elite 4200, 4-16 x40mm . I am wondering if it's normal for the focus to change as I increase the magnfication? I put the magnifcation on around 4-6 and adjust the focus, then zoom into a higher magnification and it goes out of focus. Is this normal?  Thanks!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2007 at 22:25
asphunter View Drop Down
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Larry Root

Joined: March/01/2007
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No it is not. make sure you focus the crosshairs against the clear sky first at 16X. do not turn the
eyepiece while looking thru it. look away, turn it come back and so on. all you are doing is getting
the CH sharp as possible.
then set the power to 8, set the parralax at 100, set up a target at 100 and look at it
there should be no change in focus as you zoom in & out.
if there is, it is defective.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2007 at 23:26
Laundryboy View Drop Down
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Optics GrassHopper


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Thanks for the advice, I will try it that way tomorrow.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 07:40
Murphy.177 View Drop Down
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Originally posted by asphunter asphunter wrote:

No it is not. make sure you focus the crosshairs against the clear sky first at 16X. do not turn the
eyepiece while looking thru it. look away, turn it come back and so on. all you are doing is getting
the CH sharp as possible.
then set the power to 8, set the parralax at 100, set up a target at 100 and look at it
there should be no change in focus as you zoom in & out.
if there is, it is defective.


What about when the depth of field gets smaller the higher you zoom??

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 09:26
asphunter View Drop Down
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Larry Root

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Yes it does but if your scope is focused and the parallax set right, a quality scope like the 4200 will not blur out.
were it a BSA or some 99 dollar special.... well that's another story.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/06/2007 at 17:57
Laundryboy View Drop Down
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Asphunter, I tried your recomendations and it made a big difference, thanks for the advice!
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