Thread: Has Anyone seen this Polarex/Unitron turret eyepiece holder before?
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  #5  
Old 21-11-2012, 06:13 PM
UniPol
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Join Date: Jul 2006
Location: Lithgow, NSW
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Unihex's/RES's use the same prism diagonal as standard right angle diagonals so there is no difference in back focus.
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