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Setting Up the Projector 19
Middle Throw Zoom Lens (V12H004M01)
To find the distance when you know the screen’s diagonal 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)
■ 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:
■ 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)
■ 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)
■ Screen size at Tele setting (inches) =
(projection distance [inches]
× 2.54 × 0.069411 - 0.926168)