Adjusting the Projection Distance
AN-P48EZ
Throw distance ratio 1:4.6 to 6.1
NORMAL Mode (4:3)
Screen size (4:3) (X) | Projection distance (L) | Lens center to the lower edge of the screen (H) | ||||
Diag. | Width | Height | Maximum (l1) | Minimum (l2) | Upper lens shift position (h1) | Lower lens shift position (h2) |
300 | 240 | 180 | 119 9 (36.5 m) | 91 6 (27.9 m) | 7 6 (228.6 cm) | 0.0 (0.0 cm) |
200 | 160 | 120 | 80 1 (24.4 m) | 61 4 (18.7 m) | 5 0 (152.4 cm) | 0.0 (0.0 cm) |
150 | 120 | 90 | 60 0 (18.3 m) | 45 11 (14.0 m) | 3 9 (114.3 cm) | 0.0 (0.0 cm) |
100 | 80 | 60 | 40 4 (12.3 m) | 30 10 (9.4 m) | 2 6 (76.2 cm) | 0.0 (0.0 cm) |
84 | 67 | 50 | 33 10 (10.3 m) | 25 11 (7.9 m) | 2 1 (64.0 cm) | 0.0 (0.0 cm) |
72 | 58 | 43 | 29 2 (8.9 m) | 22 4 (6.8 m) | 1 10 (54.9 cm) | 0.0 (0.0 cm) |
60 | 48 | 36 | 24 3 (7.4 m) | 18 8 (5.7 m) | 1 6 (45.7 cm) | 0.0 (0.0 cm) |
Setup & Connections
The formula for screen size and projection distance
l1 | (Max.) = (0.1214x 0.1272) 3.28 | x: Screen size (diag.) (X) (inches) |
l2 | (Min.) = (0.0927x 0.1233) 3.28 | l: Projection distance (L) (feet) |
h1 | (Upper) = 0.3x | h: Lens center to the lower edge of the screen (H) (inches) |
h2 | (Lower) = 0 |
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WIDE Mode (16:9) | Screen size (4:3) (X) | Projection distance (L) | Lens center to the lower edge of the screen (H) | ||||
| Diag. | Width | Height | Maximum (l1) | Minimum (l2) | Upper lens shift position (h1) | Lower lens shift position (h2) |
| 300 | 261 | 147 | 130 7 (39.8 m) | 99 9 (30.4 m) | 6 2 (186.8 cm) | 2 1 (62.3 cm) |
| 200 | 174 | 98 | 87 3 (26.6 m) | 66 7 (20.3 m) | 4 1 (124.5 cm) | 1 4 (41.5 cm) |
| 150 | 131 | 74 | 65 7 (20.0 m) | 50 2 (15.3 m) | 3 1 (93.4 cm) | 1 0 (31.1 cm) |
| 133 | 116 | 65 | 58 1 (17.7 m) | 44 7 (13.6 m) | 2 9 (82.8 cm) | 10.9 (27.6 cm) |
| 106 | 92 | 52 | 46 3 (14.1 m) | 35 5 (10.8 m) | 2 2 (66.0 cm) | 8.7 (22.0 cm) |
| 100 | 87 | 49 | 44 0 (13.4 m) | 33 6 (10.2 m) | 2 1 (62.3 cm) | 8.2 (20.8 cm) |
| 92 | 80 | 45 | 40 4 (12.3 m) | 30 10 (9.4 m) | 1 11 (57.3 cm) | 7.5 (19.1 cm) |
| 84 | 73 | 41 | 36 9 (11.2 m) | 28 3 (8.6 m) | 1 9 (52.3 cm) | 6.9 (17.4 cm) |
| 72 | 63 | 35 | 31 10 (9.7 m) | 24 3 (7.4 m) | 1 6 (44.8 cm) | 5.9 (14.9 cm) |
| 60 | 52 | 29 | 26 7 (8.1 m) | 20 4 (6.2 m) | 1 3 (37.4 cm) | 4.9 (12.5 cm) |
The formula for screen size and projection distance
l1 | (Max.) = (0.1323x 0.1272) 3.28 | x: Screen size (diag.) (X) (inches) |
l2 | (Min.) = (0.101x 0.1233) 3.28 | l: Projection distance (L) (feet) |
h1 | (Upper) = 0.2451x | h: Lens center to the lower edge of the screen (H) (inches) |
h2 | (Lower) =0.0817x |
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•There is an error of 3% in the formula above.
•Values with a minus () sign indicate the distance of the lens center below the bottom of the screen.
