Chapter 2 Getting
rrWhen the screen aspect ratio is 16:9
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| Optional lens |
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| Lens type |
| Fixed- | Short focus | Long focus |
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| zoom lens | focus |
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| zoom lens | zoom lens |
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| lens |
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Projection Lens Model No. |
| — | ET‑ELW21 | ET‑ELW20 | ET‑ELT20 |
| ET‑ELT21 | Standard zoom |
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| Throw ratio*1 |
| 1.7‑2.8:1 | 0.8:1 | 1.3‑1.7:1 | 2.8‑4.6:1 |
| 4.6‑7.2:1 |
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| lens/ET‑ELW20/ | ET‑ELW21 | ||||||||||||
Projected image size |
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| Projection distance (L) |
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| ET‑ELT20/ | (Fixed) | ||||||||
Diagonal (SD) | Height | Width | Min. |
| Max. | Fixed | Min. | Max. | Min. | Max. |
| Min. | Max. | |||
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| ET‑ELT21 |
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(SH) | (SW) | (LW) |
| (LT) | (LW) | (LT) | (LW) | (LT) |
| (LW) | (LT) |
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1.02 | (40") | 0.498 | 0.886 | 1.42 |
| 2.45 | 0.66 | 1.06 | 1.46 | 2.39 | 3.96 |
| 3.87 | 6.28 | 0.25 | |
1.27 | (50") | 0.623 | 1.107 | 1.79 |
| 3.08 | 0.84 | 1.34 | 1.84 | 3.01 | 4.98 |
| 4.90 | 7.90 | 0.31 | |
1.52 | (60") | 0.747 | 1.328 | 2.15 |
| 3.70 | 1.01 | 1.62 | 2.22 | 3.64 | 6.00 |
| 5.92 | 9.52 | 0.37 | |
1.78 | (70") | 0.872 | 1.550 | 2.52 |
| 4.33 | 1.19 | 1.90 | 2.60 | 4.26 | 7.02 |
| 6.94 | 11.15 | 0.44 | |
2.03 | (80") | 0.996 | 1.771 | 2.89 |
| 4.95 | 1.37 | 2.18 | 2.98 | 4.89 | 8.04 |
| 7.96 | 12.77 | 0.50 | |
2.29 | (90") | 1.121 | 1.992 | 3.25 |
| 5.58 | 1.55 | 2.46 | 3.36 | 5.51 | 9.06 |
| 8.98 | 14.39 | 0.56 | |
2.54 (100") | 1.245 | 2.214 | 3.62 |
| 6.20 | 1.73 | 2.74 | 3.74 | 6.14 | 10.08 |
| 10.00 | 16.01 | 0.62 | ||
3.05 (120") | 1.494 | 2.657 | 4.35 |
| 7.45 | 2.09 | 3.30 | 4.50 | 7.39 | 12.12 |
| 12.05 | 19.26 | 0.75 | ||
3.81 (150") | 1.868 | 3.321 | 5.46 |
| 9.33 | 2.62 | 4.14 | 5.64 | 9.27 | 15.18 |
| 15.11 | 24.13 | 0.93 | ||
5.08 (200") | 2.491 | 4.428 | 7.29 |
| 12.45 | 3.52 | 5.53 | 7.53 | 12.39 | 20.27 |
| 20.22 | 32.24 | 1.25 | ||
6.35 (250") | 3.113 | 5.535 | 9.13 |
| 15.58 | 4.41 | 6.93 | 9.43 | 15.52 | 25.37 |
| 25.33 | 40.35 | 1.56 | ||
7.62 (300") | 3.736 | 6.641 | 10.96 |
| 18.70 | 5.30 | 8.33 | 11.33 | 18.64 | 30.46 |
| 30.44 | 48.47 | 1.87 | ||
8.89 (350") | 4.358 | 7.748 | 12.80 |
| 21.83 | 6.19 | 9.72 | 13.22 | 21.77 | 35.56 |
| 35.55 | 56.58 | 2.18 | ||
10.16 | (400") | 4.981 | 8.855 | 14.63 |
| 24.95 | 7.09 | 11.12 | 15.12 | 24.90 | 40.66 |
| 40.66 | 64.69 | 2.49 | |
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80"). |
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*2 When the |
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rrWhen the screen aspect ratio is 4:3 |
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| (Unit: m) |
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| Standard |
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| Optional lens |
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| Lens type |
| Fixed- | Short focus | Long focus |
| Ultra long | Height position (H)*2 | ||||||||
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| zoom lens | focus |
| focus zoom | |||||||||||
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| zoom lens | zoom lens |
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Projection Lens Model No. |
| — | ET‑ELW21 | ET‑ELW20 | ET‑ELT20 |
| ET‑ELT21 | Standard zoom |
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| Throw ratio*1 |
| 2.0‑3.4:1 | 0.9:1 | 1.5‑2.0:1 | 3.3‑5.5:1 |
| 5.4‑8.7:1 |
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| lens/ET‑ELW20/ | ET‑ELW21 | ||||||||||||
Projected image size |
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| Projection distance (L) |
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| ET‑ELT20/ | (Fixed) | ||||||||
Diagonal (SD) | Height | Width | Min. |
| Max. | Fixed | Min. | Max. | Min. | Max. |
| Min. | Max. | |||
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| ET‑ELT21 |
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(SH) | (SW) | (LW) |
| (LT) | (LW) | (LT) | (LW) | (LT) |
| (LW) | (LT) |
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1.02 | (40") | 0.610 | 0.813 | 1.57 |
| 2.70 | 0.73 | 1.18 | 1.62 | 2.64 | 4.38 |
| 4.29 | 6.94 | 0.06 - 0.67 | 0.30 |
1.27 | (50") | 0.762 | 1.016 | 1.97 |
| 3.39 | 0.93 | 1.48 | 2.04 | 3.33 | 5.50 |
| 5.41 | 8.73 | 0.08 - 0.84 | 0.38 |
1.52 | (60") | 0.914 | 1.219 | 2.38 |
| 4.08 | 1.12 | 1.79 | 2.45 | 4.02 | 6.62 |
| 6.54 | 10.51 | 0.09 - 1.01 | 0.46 |
1.78 | (70") | 1.067 | 1.422 | 2.78 |
| 4.77 | 1.32 | 2.10 | 2.87 | 4.71 | 7.75 |
| 7.67 | 12.30 | 0.11 - 1.17 | 0.53 |
2.03 | (80") | 1.219 | 1.626 | 3.18 |
| 5.46 | 1.52 | 2.41 | 3.29 | 5.40 | 8.87 |
| 8.79 | 14.09 | 0.12 - 1.34 | 0.61 |
2.29 | (90") | 1.372 | 1.829 | 3.59 |
| 6.15 | 1.71 | 2.71 | 3.71 | 6.08 | 9.99 |
| 9.92 | 15.87 | 0.14 - 1.51 | 0.69 |
2.54 (100") | 1.524 | 2.032 | 3.99 |
| 6.84 | 1.91 | 3.02 | 4.12 | 6.77 | 11.11 |
| 11.04 | 17.66 | 0.15 - 1.68 | 0.76 | |
3.05 (120") | 1.829 | 2.438 | 4.80 |
| 8.21 | 2.30 | 3.64 | 4.96 | 8.15 | 13.36 |
| 13.29 | 21.24 | 0.18 - 2.01 | 0.91 | |
3.81 (150") | 2.286 | 3.048 | 6.01 |
| 10.28 | 2.89 | 4.56 | 6.21 | 10.22 | 16.73 |
| 16.67 | 26.60 | 0.23 - 2.51 | 1.14 | |
5.08 (200") | 3.048 | 4.064 | 8.04 |
| 13.72 | 3.88 | 6.10 | 8.30 | 13.66 | 22.34 |
| 22.30 | 35.53 | 0.30 - 3.35 | 1.52 | |
6.35 (250") | 3.810 | 5.080 | 10.06 |
| 17.16 | 4.86 | 7.64 | 10.39 | 17.10 | 27.95 |
| 27.92 | 44.47 | 0.38 - 4.19 | 1.91 | |
7.62 (300") | 4.572 | 6.096 | 12.08 |
| 20.61 | 5.85 | 9.18 | 12.48 | 20.55 | 33.57 |
| 33.55 | 53.40 | 0.46 - 5.03 | 2.29 | |
8.89 (350") | 5.334 | 7.112 | 14.10 |
| 24.05 | 6.83 | 10.72 | 14.57 | 23.99 | 39.18 |
| 39.18 | 62.34 | 0.53 - 5.87 | 2.67 | |
10.16 (400") | 6.096 | 8.128 | 16.12 |
| 27.49 | 7.81 | 12.25 | 16.66 | 27.43 | 44.79 |
| 44.80 | 71.28 | 0.61 - 6.71 | 3.05 |
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80").
*2 When the
ENGLISH - 37