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Old 11-05-2013, 01:06 PM
SteveInNZ
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SteveInNZ is offline
 
Join Date: May 2008
Location: Auckland, NZ
Posts: 239
The diagram looks as if they are using the IS to move the optics for tracking rather than the sensor as the text states.
I'm pretty sure Pentax came out with a "track the stars by moving the sensor" scheme a couple of years ago.
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