Eiki EIP-4500 Setup Manual page 5

Fixed Wide Lens (AH-45201)
F2.5, f=11.6 mm
NORMAL Mode (4:3)
Picture (Screen) size
Diag. [ χ ]
Width
150'' (381 cm) 305 cm (120'')
100'' (254 cm) 203 cm (80'')
84'' (213 cm) 171 cm (67'')
80'' (203 cm) 163 cm (64'')
χ :
Picture size (diag.) (in/cm)
L: Projection distance(m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
H1: Lower distance from the lens center to the bottom of the image (cm/in)
H2: Upper distance from the lens center to the bottom of the image (cm/in)
W: Distance from the lens center to the center of the image (cm/in)
STRETCH Mode (16:9)
Picture (Screen) size
Diag. [ χ ]
Width
133'' (338 cm) 294 cm (116'')
106'' (269 cm) 235 cm (92'')
100'' (254 cm) 221 cm (87'')
92'' (234 cm) 204 cm (80'')
84'' (213 cm) 186 cm (73'')
72'' (183 cm) 159 cm (63'')
χ :
Picture size (diag.) (in/cm)
L: Projection distance(m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
H1: Lower distance from the lens center to the bottom of the image (cm/in)
H2: Upper distance from the lens center to the bottom of the image (cm/in)
W: Distance from the lens center to the center of the image (cm/in)
Note
• There may be an error of ± 3% in the above values.
• Values with a minus (–) sign indicate the distance from the lens center below the bottom of the image.
Projection distance
Height [L]
229 cm (90'') 2.4 m (8' 0")
152 cm (60'') 1.6 m (5' 4")
128 cm (50'') 1.4 m (4' 6")
122 cm (48'') 1.3 m (4' 3")
Projection distance
Height [L]
166 cm (65'') 2.4 m (7' 9")
132 cm (52'') 1.9 m (6' 2")
125 cm (49'') 1.8 m (5' 10")
115 cm (45'') 1.6 m (5' 4")
105 cm (41'') 1.5 m (4' 11")
90 cm (35'') 1.3 m (4' 2")
Screen Size and Projection Distance
Distance from the lens center to
the bottom of the image [H]
Lower [H1]
–114.3 cm (–45") –73.2 cm (–28
–76.2 cm (–30") –48.8 cm (–19
–64.0 cm (–25 13 / ") –41.0 cm (–16
64
–61.0 cm (–24") –39.0 cm (–15
The formula for picture size and projection distance
[m/cm]
L (m) = 0.01626 χ
H1 (cm) = –0.762 χ
H2 (cm) = –0.48768 χ
W (cm) = ±0.22352 χ
[Feet/inches]
L (ft) = 0.01626 χ / 0.3048
H1 (in) = –0.762 χ / 2.54
H2 (in) = –0.48768 χ / 2.54
W (in) = ±0.22352 χ / 2.54
Distance from the lens center to
the bottom of the image [H]
Lower [H1]
–82.8 cm (–32 / ") –43.1 cm (–16
39
64
–66.0 cm (–25 63 / ") –34.3 cm (–13
64
–62.3 cm (–24 33 / ") –32.4 cm (–12
64
–57.3 cm (–22 35 / ") –29.8 cm (–11
64
–52.3 cm (–20 19 / ") –27.2 cm (–10
32
–44.8 cm (–17 21 / ") –23.3 cm
32
The formula for picture size and projection distance
[m/cm]
L (m) = 0.01771 χ
H1 (cm) = –0.62263 χ
H2 (cm) = –0.32377 χ
W (cm) = ±0.24352 χ
[Feet/inches]
L (ft) = 0.01771 χ / 0.3048
H1 (in) = –0.62263 χ / 2.54
H2 (in) = –0.32377 χ / 2.54
W (in) = ±0.24352 χ / 2.54
Distance from the lens
center to the center of the
image [W]
Upper [H2]
/ ) ±33.5 cm
51
"
64
13 / ) ±22.4 cm
"
64
1 / ) ±18.8 cm
"
8
23 / ) ±17.9 cm
"
64
Distance from the lens
center to the center of the
image [W]
Upper [H2]
/ ") ±32.4 cm
61
64
33 / ") ±25.8 cm
64
3 / ") ±24.4 cm
4
47 / ") ±24.4 cm
64
45 / ") ±20.5 cm
64
(–9 11 / ") ±17.5 cm
64
(13 / )
13
"
64
(8 51 / )
"
64
(7 25 / ")
64
(7 3 / ")
64
(12 / ")
3
4
(10 5 / ")
32
(9 19 / ")
32
(8 53 / ")
64
(8 3 / ")
64
(6 29 / ")
32
5