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double power eye pieces for spotting scope

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/06/2009 at 07:02
mrdfurco View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: August/20/2009
Location: WEST FARGO ND
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do they make doubler power eye pieces for spotting scopes ?. i have seen them for binoculars that double the power but never a 20-60x80 swaro. thanks. marty
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/15/2009 at 22:03
emimiaga View Drop Down
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Joined: August/05/2009
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The doublers work for binoculars because of the relatively low power 8X to 16X can be done with a 40 - 50mm objective lens. But to double the power at 60X would not do any good.  You do not gain resolution.  To gain resolution you would have to about triple the size of the objective lens.  At 120X you would just get a bigger blur.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/16/2009 at 15:01
mrdfurco View Drop Down
Optics GrassHopper
Optics GrassHopper


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THANKS. MARTY
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