English
English
57
Basic Operations
Projection distance formula
Y: Projection Screen Size (Unit: inch) X: Projection Distance (Unit: m)
WUXGA(16:10)
L1
Y
=
0.007
X
+
-0.647
L2
0.007
-0.034
16:9
L1
Y
=
0.008
X
+
-0.647
L2
0.008
-0.034
4:3
L1
Y
=
0.008
X
+
-0.647
L2
0.008
-0.034
Model#
REPLACEMENT
LENS TYPE E1
REPLACEMENT
LENS TYPE E2
REPLACEMENT
LENS TYPE EM1
REPLACEMENT
LENS TYPE EM2
REPLACEMENT
LENS TYPE EM3
REPLACEMENT
LENS TYPE EM0
Image
Lens Type
Zoom Lens
Zoom Lens
Zoom Lens
Zoom Lens
Zoom Lens
UST Lens
Zoom/Focus
Manual
Manual
Motorized
Motorized
Motorized
Motorized
F#(Wide-
Tele)
1.7-2.37
2.2-2.7
2.0-2.5
1.7-2.0
2.2-2.6
2.0
f(mm)
24.4-48.6
76.6-116.5
13.3-18.6
21.8-49.8
49.7-99.8
6.27
Throw
ratio(16:10)
1.46-2.95
4.59-7.02
0.79-1.11
1.30-3.02
2.99-5.93
0.32
Zoom Ratio
2
1.52
1.4
2.3
2.0
1.0
Screen Size
(Performance
guarantee
range)
40-500 inch
(40-200 inch)
60-500 inch
(80-200 inch)
50-500 inch
(80-200 inch)
50-500 inch
(80-200 inch)
50-500 inch
(80-200 inch)
97-400 inch
(100-350 inch)
Weight
approx.0.8kg
approx.1.0kg approx.1.63kg approx.1.8kg
approx.1.8kg
approx.3.1kg
Optional lens specifications
