Just a thought on this...can't remember fully now...but doesn't it make a difference to POI depending on which focal plane the parallax adjustment is in? In one of the planes...and I can't remember whether first or second, POI doesn't change but in the other plane it does change. Send Gary C a PM - he'll know!
Note added: from what I have been reading via Google - it is second focal plane the POI can shift from the original zero.
Another note: I have just lifted this from Wally Ferris's review of the Lightstream.
First Focal plane: This is what makes these so different, as opposed to the second focal plane type scopes it features the far more unusual first focal plane. This guarantees no POA changes whatsoever due to adjustment of the magnification, or P/X.
Last edited by Eagleman; 10-12-2007 at 07:33 PM.
Reason: Note added and another note
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