Navigation systems use gyros that do that, but the inner 'orb' has to be 'spun up' (accelerated to some rotational speed) for it to work properly. That requires more $ophi$tication and power than I would imagine Nikon wants to fuss with.
MHO, keith whaley Artur Ledóchowski wrote: > > ----- Original Message ----- > From: "Paul Franklin Stregevsky" <[EMAIL PROTECTED]> > Subject: Re: *ist complete specifications > > > I don't know, but Nikon's F5 also "knows" when it's being held vertically. > > Imagine a small orb, its interior covered with a pattern of electrical > (optical?) sensors. A second, smaller orb moves freely inside that orb > according to the actual position of the camera. Each sensor is linked to a > CPU unit which interpretes the signals coming from those sensors each time > the smaller orb moves. > Just my imagination...:) > Regards > Artur
