Recommended inspection period (Hours) LCD DLP Encapsulated AR coating Transmission Filter model 2000 Yes No Yes Full 65% SPAR-L-50 2000 Yes No Yes Full 65% SPAR-C-50 1000 Yes Yes No No 42% POL-L-XX 1000 No Yes No No 42% POL-C-XX 1000 Yes Yes No No 42% POL-CU-XX 1000 Yes Yes No Half 44% POLH-L-XX 1000 No Yes No Half 44% POLH-C-XX 1000 Yes Yes No Half 44% POLH-CU-XX 2000 Yes Yes Yes Full 46% PLOAR-L-XX 2000 No Yes Yes Full 46% POLAR-C-XX 2000 Yes Yes Yes Full 46% POLAR-CU-XX
Advisol Filters Filters quick       selection guide Filters mounts Application notes Polarization FAQ Technical section StereoBright