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double power eye pieces for spotting scope

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mrdfurco View Drop Down
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Joined: August/20/2009
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    Posted: September/06/2009 at 07:02
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
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emimiaga View Drop Down
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Joined: August/05/2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote emimiaga Quote  Post ReplyReply Direct Link To This Post Posted: October/15/2009 at 22:03
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.
A person who asks a question is a fool for five minutes. The person who never asks is a fool forever.
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mrdfurco View Drop Down
Optics GrassHopper
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Joined: August/20/2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mrdfurco Quote  Post ReplyReply Direct Link To This Post Posted: October/16/2009 at 15:01
THANKS. MARTY
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