I know what USM or HSM mean but it affect IQ??


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Rashkae

Senior Member
Nov 28, 2005
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#3
If you know what it means, then you know what it does, so you should know it doesn't affect IQ...
 

rysouke

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Apr 25, 2009
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#4
hahaha ya but just wanted to double confirm that it wont affect the IQ...
 

night86mare

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Aug 25, 2006
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www.pbase.com
#5
are you sure you know what it means....

iq is dependent on optics, hsm or usm has nothing to do with that.
 

Jul 5, 2007
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AMK
#7
Well if you really must insist. USM and HSM has faster and quiet motor, sometime that split second may offer you a better catch.
 

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