Originally Posted by coderguy
Yah, I don't trust that calculator, I've seen mistakes made in both the Panny manuals and there. If it is accurate, then it's a huge amount of lens shift and that would make it the highest amount of lens shift I've ever seen on a projector. It might be, just not sure. It would be great if 1 or 2 of you could measure it, thanks.
Okay, I tried measuring the vertical shift last night. Here's my setup, 120" (16:9) screen, lens center line is 2" below top of screen surface, throw distance (lens to screen) is 166". Without changing anything on my setup I was able to move the bottom of the image down 18.5", when I tried to shift the image upward it went way off the top of the screen. Since I wasn't about to take my projector down from its mount I decided to zoom the image down to where it approximated a 72" diagonal screen. With this size I was able to shift the bottom of the image (up and down) a total of 47" which I think it is pretty darn respectable. Maybe you can plug these numbers into your calculator and see if they jive.