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EPSON PowerLite 9300i Projector
4
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EPSON PowerLite 9300i Projector
10/03
Distance and Screen Size Calculations
Use the calculations below to determine the how far to place
the projector from the screen and the size of the screen.
the projector from the screen and the size of the screen.
Standard Zoom Lens (V12H004S02)
To find the distance when you know the screen’s diagonal
size:
size:
❏ Distance at Wide setting (inches) =
(diagonal screen size [inches] × 3.7857 - 9.6813)/2.54
❏ Distance at Tele setting (inches) =
(diagonal screen size [inches] × 5.175 - 9.5418)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size at Wide setting (inches) =
(projection distance [inches] × 0.264152 × 2.54) +
2.557334
2.557334
❏ Screen size at Tele setting (inches) =
(projection distance [inches] × 0.193237 × 2.54) +
1.843826
1.843826
Rear Projection Wide Lens (V12H004R02)
To find the distance when you know the screen’s diagonal
size:
size:
❏ Distance (inches) =
(diagonal screen size [inches] × 1.81553 - 6.59805)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size (inches) =
projection distance [inches] × 2.54 × 0.5508024 +
3.634232
3.634232
Wide Zoom Lens (V12H004W02)
To find the distance when you know the screen’s diagonal
size:
size:
❏ Distance at Wide setting (inches) =
(diagonal screen size [inches] × 2.68681 - 6.80456)/2.54
❏ Distance at Tele setting (inches) =
(diagonal screen size [inches] × 3.80739 - 6.46563)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size at Wide setting (inches) =
(projection distance [inches] × 2.54 × 0.372189 + 2.53258)
❏ Screen size at Tele setting (inches) =
(projection distance [inches] × 2.54 × 0.262647 +
1.698179)
1.698179)
Middle Throw Zoom Lens (V12H004M01)
To find the distance when you know the screen’s diagonal
size:
size:
❏ Distance at Wide setting (inches) =
(diagonal screen size [inches] × 5.02466 - 13.5124)/2.54
❏ Distance at Tele setting (inches) =
(diagonal screen size [inches] × 7.6049 - 13.3501)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size at Wide setting (inches) =
(projection distance [inches] × 2.54 × 0.199018 +
2.689217)
2.689217)
❏ Screen size at Tele setting (inches) =
(projection distance [inches] × 2.54 × 0.131494 + 1.75546)
Middle Throw Zoom Lens (V12H004M02)
To find the distance when you know the screen’s diagonal
size:
size:
❏ Distance at Wide setting (inches) =
(diagonal screen size [inches] × 7.409 - 14.5823)/2.54
❏ Distance at Tele setting (inches) =
(diagonal screen size [inches] × 11.2032 - 14.8525)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size at Wide setting (inches) =
(projection distance [inches] × 2.54 × 0.134971 +
1.968187)
1.968187)
❏ Screen size at Tele setting (inches) =
(projection distance [inches] × 2.54 × 0.08926 + 1.323702)
Long Throw Zoom Lens (V12H004L04)
To find the distance when you know the screen’s diagonal size:
❏ Distance at Wide setting (inches) =
(diagonal screen size [inches] × 10.6703 +14.1243)/2.54
❏ Distance at Tele setting (inches) =
(diagonal screen size [inches] × 14.407 + 13.343)/2.54
To find a screen’s diagonal size when you know the distance:
❏ Screen size at Wide setting (inches) =
(projection distance [inches] × 2.54 × 0.093718 -
1.323702)
1.323702)
❏ Screen size at Tele setting (inches) =
(projection distance [inches] × 2.54 × 0.069411 -
0.926168)
0.926168)