Epson PowerLite 9000NL User Manual - Page 76

Long Throw Zoom Lens Calculations ELPLL02, Inches, Centimeters

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For example, here are the measurements for three installations: Image size (diagonal) 300 inches* (762 cm) 200 inches (508 cm) 100 inches (254 cm) Horizontal distance from projector to screen Minimum Maximum 460.6 inches (11.7 m) 586.6 inches (14.9 m) 307.1 inches (7.8 m) 389.8 inches (9.9 m) 153.5 inches (3.9 m) 192.9 inches (4.9 m) * For an image size of 300 inches, the projector may be up to 52.1 feet away from the screen, depending on the setting of the zoom ring. Long Throw Zoom Lens Calculations (ELPLL02) To determine the maximum and minimum diagonal size of an image when you know the projection distance: Ë Inches: Maximum diagonal size = (0.487 × projection distance) + 2.336 Minimum diagonal size = (0.286 × projection distance) + 1.458 Ë Centimeters: Maximum diagonal size = (1.2369 × projection distance) + 5.9334 Minimum diagonal size = (0.7264 × projection distance) + 3.7033 66 2 • Using the Projector

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2
•
Using the Projector
66
For example, here are the measurements for three installations:
* For an image size of 300 inches, the projector may be up to 52.1 feet away from
the screen, depending on the setting of the zoom ring.
Long Throw Zoom Lens Calculations (ELPLL02)
To determine the maximum and minimum diagonal size of an image
when you know the projection distance:
Inches:
Maximum diagonal size = (0.487
×
projection distance) + 2.336
Minimum diagonal size = (0.286
×
projection distance) + 1.458
Centimeters:
Maximum diagonal size = (1.2369
×
projection distance) + 5.9334
Minimum diagonal size = (0.7264
×
projection distance) + 3.7033
Image size (diagonal)
Horizontal distance from projector to screen
Minimum
Maximum
300 inches* (762 cm)
460.6 inches (11.7 m)
586.6 inches (14.9 m)
200 inches (508 cm)
307.1 inches (7.8 m)
389.8 inches (9.9 m)
100 inches (254 cm)
153.5 inches (3.9 m)
192.9 inches (4.9 m)