There are several good and recommended vendors of screen protectors for the BlackBerry. These have been mentioned over and over in the threads at BlackBerryForums.com
Carl Zeiss Monocular Polarization Microscope with Fedorov / Federov Table
$3500.0
Leitz Wetzlar Monocular Geological Polarization Microscope with Lambda Slider
$800.0
Reverse Polarity TNC Jack, panel mount, 50pc lot
$29.95
OZ Optics LTD. Polarization Rotator FPR11-11-1310-62.5/125M-M-1-35-SCSC3-1
$224.25
Agilent / HP 11896A Polarization Controller
$1195.0
