Originally Posted by Ron Jones
You only get an effective gain boost for 3D from a screen that retains significant polarization if the 3D projector has all 3 colors with the same polarization orientation. This is the case for JVC projectors, but not Sony SXRD projectors (e.g., your VW95). As for the Da-lite high power, it can potentially give high gain (eg., near its rated 2.4 gain), but only if it is mounted near eye level or only a modest distance above eye level.
I see that you're the originator of the 3d projection screens thread - and I assume of the speadsheet I referenced. I entered a screen gain adjustment of 60% based upon the percent of polarization maintained by the
Stewart screen cited in the initial post of the thread. Are you saying this number doesn't apply based upon the type of projector I'm using? This is much too complicated.
I believe the type of glasses is also factored into the mix. I'm using mostly PS3 glasses since they're relatively cheap.
(I have one pair of Monsters but consider them more trouble than they're worth having some difficulty turning them on and syncing them
with the projector.)
If the polarizatiion adjustment is actually "0" for the Sony/Stewart combination I'm back to considering the High Power screen since it should give me a brightness
of 10.6 fL versus 7.2 for the newly calculated Sony/Stewart combo.