Technical Information
ENGLISH - 49
Appendix
* All measurements above are approximate and may differ slightly from the actual measurements.

JCalculation methods for screen dimensions

You can calculate more detailed screen dimension from the screen diagonal.
Screen width (SW) and screen height (SH)
SW (m) = SD (") x 0.0221 SH (m) = SD (") x 0.0125
Minimum distance (LW) and maximum distance (LT)
PT-LB80NTE: LW (m) = 0.0321 x SD (") - 0.04 LT (m) = 0.0388 x SD (") - 0.06
PT-LB75NTE: LW (m) = 0.0318 x SD (") - 0.022 LT (m) = 0.0383 x SD (") - 0.046
* The results above are approximate and may differ slightly from the actual measurements.
Screen size and throw distance for 16:9 aspect ratio
Projection size
(16 : 9)
Throw distance (L)
PT-LB80NTE / PT-LB80E
Throw distance (L)
PT-LB75NTE / PT-LB75E
Screen diagonal
(SD)
Minimum distance
(LW)
Maximum distance
(LT)
Minimum distance
(LW)
Maximum distance
(LT)
33" (0.84 m) 1.2 m (3'11") 1.2 m (3'11")
40" (1.02 m) 1.2 m (3'11") 1.5 m (4'11") 1.3 m (4'3") 1.5 m (4'11")
50" (1.27 m) 1.6 m (5'2") 1.9 m (6'2") 1.6 m (5'2") 1.9 m (6'2")
60" (1.52 m) 1.9 m (6'2") 2.3 m (7'6") 1.9 m (6'2") 2.3 m (7'6")
70" (1.78 m) 2.2 m (7'2") 2.7 m (8'10") 2.2 m (7'2") 2.6 m (8'6")
80" (2.03 m) 2.5 m (8'2") 3.0 m (9'10") 2.5 m (8'2") 3.0 m (9'10")
90" (2.29 m) 2.8 m (9'2") 3.4 m (11'1" ) 2.8 m (9'2") 3.4 m (11'1")
100" (2.54 m) 3.2 m (10'5") 3.8 m (12'5") 3.2 m (10'5") 3.8 m (12'5")
120" (3.05 m) 3.8 m (12'5") 4.6 m (15'1") 3.8 m (12'5") 4.6 m (15'1")
150" (3.81 m) 4.8 m (15'8") 5.8 m (19') 4.7 m (15'5") 5.7 m (18'8")
200" (5.08 m) 6.4 m (20'11") 7.7 m (25'3") 6.3 m (20'8") 7.6 m (24'11")
250" (6.35 m) 8.0 m (26'2") 9.6 m (31'5") 7.9 m (25'11") 9.5 m (31'2")
300" (7.62 m) 9.6 m (31'5") 11.6 m (38') 9.5 m (31'2") 11.4 m (37'4")