Setting up
Screen size and throw distance
You can adjust the projection size with 1.2x zoom lens. Calculate and define the throw distance as follows.
Getting
Projected image
SH
SW
Screen
SH
H1
SW
L (LW/LT)
81.2 mm
L (LW/LT)
Started
PT-LB51NTU/PT-LB51U
| Projection size (4 : 3) | Throw distance (L) | Height | |||
Screen |
| Screen height | Screen width | Minimum | Maximum | position |
diagonal (SD) |
| (SH) | (SW) | distance (LW) | distance (LT) | (H1) |
33" (0.84 m) |
| 0.50 m (1'7") | 0.67 m (2'2") |
| 1.1 m (3'7") | 0.07 m |
40" (1.02 m) |
| 0.61 m (2') | 0.81 m (2'7") | 1.2 m (3'11") | 1.4 m (4'7") | 0.08 m |
50" (1.27 m) |
| 0.76 m (2'5") | 1.02 m (3'4") | 1.6 m (5'2") | 1.8 m (5'10") | 0.11 m |
60" (1.52 m) |
| 0.91 m (2'11") | 1.22 m (4') | 1.9 m (6'2") | 2.1 m (6'10") | 0.13 m |
70" (1.78 m) |
| 1.07 m (3'06") | 1.42 m (4'7") | 2.2 m (7'2") | 2.5 m (8'2") | 0.15 m |
80" (2.03 m) |
| 1.22 m (4') | 1.63 m (5'4") | 2.5 m (8'2") | 2.9 m (9'6") | 0.17 m |
90" (2.29 m) |
| 1.37 m (4'5") | 1.83 m (6') | 2.8 m (9'2") | 3.3 m (10'9") | 0.19 m |
100" (2.54 m) |
| 1.52 m (4'11") | 2.03 m (6'7") | 3.1 m (10'2") | 3.6 m (11'9") | 0.21 m |
120" (3.05 m) |
| 1.83 m (6') | 2.44 m (8') | 3.7 m (12'1") | 4.4 m (14'5") | 0.25 m |
150" (3.81 m) |
| 2.29 m (7'6") | 3.05 m (10') | 4.6 m (15'1") | 5.5 m (18) | 0.32 m |
200" (5.08 m) |
| 3.05 m (10') | 4.06 m (13'3") | 6.2 m (20'4") | 7.3 m (23'11") | 0.42 m |
250" (6.35 m) |
| 3.81 m (12'6") | 5.08 m (16'8") | 7.7 m (25'3") | 9.2 m (30'2") | 0.53 m |
300" (7.62 m) |
| 4.57 m (14'11") | 6.10 m (20') | 9.2 m (30'2") | 11.1 m (36'5") | 0.64 m |
PT-LB51SU
| Projection size (4 : 3) | Throw distance (L) | Height | |||
Screen |
| Screen height | Screen width | Minimum | Maximum | position |
diagonal (SD) |
| (SH) | (SW) | distance (LW) | distance (LT) | (H1) |
33" (0.84 m) |
| 0.50 m (1'7") | 0.67 m (2'2") |
| 1.1 m (3'7") | 0.07 m |
40" (1.02 m) |
| 0.61 m (2') | 0.81 m (2'7") | 1.2 m (3'11") | 1.4 m (4'7") | 0.09 m |
50" (1.27 m) |
| 0.76 m (2'5") | 1.02 m (3'4") | 1.5 m (4'11") | 1.8 m (5'10") | 0.11 m |
60" (1.52 m) |
| 0.91 m (2'11") | 1.22 m (4') | 1.8 m (5'10") | 2.1 m (6'10") | 0.13 m |
70" (1.78 m) |
| 1.07 m (3'06") | 1.42 m (4'7") | 2.1 m (6'10") | 2.5 m (8'2") | 0.15 m |
80" (2.03 m) |
| 1.22 m (4') | 1.63 m (5'4") | 2.5 m (8'2") | 2.9 m (9'6") | 0.17 m |
90" (2.29 m) |
| 1.37 m (4'5") | 1.83 m (6') | 2.8 m (9'2") | 3.2 m (10'5) | 0.20 m |
100" (2.54 m) |
| 1.52 m (4'11") | 2.03 m (6'7") | 3.1 m (10'2") | 3.6 m (11'9") | 0.22 m |
120" (3.05 m) |
| 1.83 m (6') | 2.44 m (8') | 3.7 m (12'1") | 4.3 m (14'1") | 0.26 m |
150" (3.81 m) |
| 2.29 m (7'6") | 3.05 m (10') | 4.6 m (15'1") | 5.4 m (17'8") | 0.33 m |
200" (5.08 m) |
| 3.05 m (10') | 4.06 m (13'3") | 6.1 m (20) | 7.3 m (23'11") | 0.43 m |
250" (6.35 m) |
| 3.81 m (12'6") | 5.08 m (16'8") | 7.6 m (24'11") | 9.1 m (29'10") | 0.54 m |
300" (7.62 m) |
| 4.57 m (14'11") | 6.10 m (20') | 9.1 m (29'10") | 10.9 m (35'9") | 0.65 m |
* All measurements above are approximate and may differ slightly from the actual measurements.