Adjusting the Projection Distance
AN-T6EZ
Throw distance ratio 1:2.5 to 3.3
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) | ||
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| 300 | 240 |
| 180 | 65 9 | (20.0 m) | 50 | 5 (15.4 m) | 7 6 (228.6 cm) | 0.0 (0.0 cm) |
| 200 | 160 |
| 120 | 43 8 | (13.3 m) | 33 | 5 (10.2 m) | 5 0 (152.4 cm) | 0.0 (0.0 cm) |
| 150 | 120 |
| 90 | 32 7 | (9.9 m) | 24 11 (7.6 m) | 3 9 (114.3 cm) | 0.0 (0.0 cm) | |
| 100 | 80 |
| 60 | 21 6 | (6.6 m) | 16 | 5 (5.0 m) | 2 6 (76.2 cm) | 0.0 (0.0 cm) |
| 84 | 67 |
| 50 | 18 0 | (5.5 m) | 13 | 8 (4.2 m) | 2 1 (64.0 cm) | 0.0 (0.0 cm) |
| 72 | 58 |
| 43 | 15 4 | (4.7 m) | 11 | 8 (3.6 m) | 1 10 (54.9 cm) | 0.0 (0.0 cm) |
| 60 | 48 |
| 36 | 12 8 | (3.9 m) | 9 | 7 (2.9 m) | 1 6 (45.7 cm) | 0.0 (0.0 cm) |
| 40 | 32 |
| 24 | 8 3 | (2.5 m) | 6 | 2 (1.9 m) | 1 0 (30.5 cm) | 0.0 (0.0 cm) |
| The formula for screen size and projection distance |
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| l1 (Max.) = (0.0674x 0.178) 3.28 |
| x: Screen size (diag.) (X) (inches) |
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| l2 (Min.) = (0.0519x 0.1829) 3.28 |
| l: Projection distance (L) (feet) |
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| h1 (Upper) = 0.3x |
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| 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 | 71 8 (21.8 m) | 55 0 (16.8 m) | 6 2 (186.8 cm) | 2 1 (62.3 cm) |
| 200 | 174 | 98 | 47 7 (14.5 m) | 36 5 (11.1 m) | 4 1 (124.5 cm) | 1 4 (41.5 cm) |
| 150 | 131 | 74 | 35 6 (10.8 m) | 27 2 (8.3 m) | 3 1 (93.4 cm) | 1 0 (31.1 cm) |
| 133 | 116 | 65 | 31 5 (9.6 m) | 24 1 (7.3 m) | 2 9 (82.8 cm) | 10.9 (27.6 cm) |
| 106 | 92 | 52 | 24 11 (7.6 m) | 19 1 (5.8 m) | 2 2 (66.0 cm) | 8.7 (22.0 cm) |
| 100 | 87 | 49 | 23 6 (7.2 m) | 17 11 (5.5 m) | 2 1 (62.3 cm) | 8.2 (20.8 cm) |
| 92 | 80 | 45 | 21 7 (6.6 m) | 16 6 (5.0 m) | 1 11 (57.3 cm) | 7.5 (19.1 cm) |
| 84 | 73 | 41 | 19 8 (6.0 m) | 15 0 (4.6 m) | 1 9 (52.3 cm) | 6.9 (17.4 cm) |
| 72 | 63 | 35 | 16 9 (5.1 m) | 12 9 (3.9 m) | 1 6 (44.8 cm) | 5.9 (14.9 cm) |
| 60 | 52 | 29 | 13 11 (4.2 m) | 10 6 (3.2 m) | 1 3 (37.4 cm) | 4.9 (12.5 cm) |
| 40 | 35 | 20 | 9 1 (2.8 m) | 6 10 (2.1 m) | 9.8 (24.9 cm) | 3.3 (8.3 cm) |
The formula for screen size and projection distance
l1 | (Max.) = (0.0734x 0.1764) 3.28 | x: Screen size (diag.) (X) (inches) |
l2 | (Min.) = (0.0565x 0.1778) 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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Setup & Connections
•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.
