Image And Screen Size Calculations - Epson PowerLite 9300i User Manual

Setting Up the Projector
18

Image and Screen Size Calculations

Use the calculations to determine the distance from the screen and size
of the image.
Standard Zoom Lens (V12H004S02)
To find the distance when you know the screen's diagonal size:
Distance at Wide setting (inches) =
■
(diagonal screen size [inches]
Distance at Tele setting (inches) =
■
(diagonal screen size [inches]
To find a screen's diagonal size when you know the distance:
Screen size at Wide setting (inches) =
■
(projection distance [inches]
Screen size at Tele setting (inches) =
■
(projection distance [inches]
Rear Projection Wide Lens (V12H004R02)
To find the distance when you know the screen's diagonal size:
Distance (inches) =
(diagonal screen size [inches]
To find a screen's diagonal size when you know the distance:
Screen size (inches) =
projection distance [inches]
Wide Zoom Lens (V12H004W02)
To find the distance when you know the screen's diagonal size:
■ Distance at Wide setting (inches) =
(diagonal screen size [inches]
■ Distance at Tele setting (inches) =
(diagonal screen size [inches]
To find a screen's diagonal size when you know the distance:
Screen size at Wide setting (inches) =
■
(projection distance [inches]
■ Screen size at Tele setting (inches) =
(projection distance [inches]
×
3.7857 - 9.6813)/2.54
×
5.175 - 9.5418)/2.54
× ×
0.264152 2.54) + 2.557334
× ×
0.193237 2.54) + 1.843826
×
1.81553 - 6.59805)/2.54
× ×
2.54 0.5508024 + 3.634232
×
2.68681 - 6.80456)/2.54
×
3.80739 - 6.46563)/2.54
× ×
2.54 0.372189 + 2.53258)
× ×
2.54 0.262647 + 1.698179)