Eiki DLP EIP-4500 Setup Manual page 6

Screen Size and Projection Distance
Wide-zoom Lens (AH-45301)
F2.5, f=21.2-25.8 mm
NORMAL Mode (4:3)
Picture (Screen) size
Diag. [ χ ]
Width
250" (635 cm) 508 cm (200")
200" (508 cm) 406 cm (160")
150" (381 cm) 305 cm (120")
100" (254 cm) 203 cm (80")
84" (213 cm) 171 cm (67")
80" (203 cm) 163 cm (64")
72" (183 cm) 146 cm (58")
70" (178 cm) 142 cm (56")
60" (152 cm) 122 cm (48")
χ :
Picture size (diag.) (in/cm)
L: Projection distance(m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum 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
225" (572 cm) 498 cm (196")
200" (508 cm) 443 cm (174")
150" (381 cm) 332 cm (131")
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")
60" (152 cm) 133 cm (52")
χ :
Picture size (diag.) (in/cm)
L: Projection distance(m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum 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.
6
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Projection distance [L]
Height Minimum [L1] Maximum [L2]
381 cm (150") 7.6 m (25' 0")
305 cm (120") 6.1 m (20' 0")
229 cm (90") 4.6 m (15' 0")
152 cm (60") 3.0 m (10' 0")
128 cm (50") 2.6 m (8' 5")
122 cm (48") 2.4 m (8' 0")
110 cm (43") 2.2 m (7' 2")
107 cm (42") 2.1 m (7' 0")
91 cm (36") 1.8 m (6' 0")
Projection distance [L]
Height Minimum [L1] Maximum [L2]
280 cm (110") 7.5 m (24' 6")
249 cm (98") 6.6 m (21' 9")
187 cm (74") 5.0 m (16' 4")
166 cm (65") 4.4 m (14' 6")
132 cm (52") 3.5 m (11' 7")
125 cm (49") 3.3 m (10'11")
115 cm (45") 3.1 m (10' 0")
105 cm (41") 2.8 m (9' 2")
90 cm (35") 2.4 m (7'10")
75 cm (29") 2.0 m (6' 6")
Distance from the lens center to
the bottom of the image [H]
Lower [H1]
9.1 m (30' 0") –190.5 cm (–75")
7.3 m (24' 0") –152.4 cm (–60")
5.5 m (18' 0") –114.3 cm (–45")
3.7 m (12' 0") –76.2 cm (–30")
3.1 m (10' 1") –64.0 cm (–25 13 /
64
2.9 m (9' 7") –61.0 cm (–24")
2.6 m (8' 8") –54.9 cm (–21 19 /
32
2.6 m (8' 5") –53.3 cm (–21")
2.2 m (7' 2") –45.7 cm (–18")
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.03048 χ
L2 (m) = 0.03658 χ
H1 (cm) = –0.762 χ
W (cm) = ±0.3048 χ
[Feet/inches]
L1 (ft) = 0.03048 χ / 0.3048
L2 (ft) = 0.03658 χ / 0.3048
H1 (in) = –0.762 χ / 2.54
W (in) = ±0.3048 χ / 2.54
Distance from the lens center to
the bottom of the image [H]
Lower [H1]
9.0 m (29' 5") –140.1 cm (–55 5 /
32
8.0 m (26' 2") –124.5 cm (–49 1 /
32
6.0 m (19' 7") –93.4 cm (–36 49 /
64
5.3 m (17' 5") –82.8 cm (–32 39 /
64
4.2 m (13'10") –66.0 cm (–25 63 /
64
4.0 m (13' 1") –62.3 cm (–24 33 /
64
3.7 m (12' 0") –57.3 cm (–22 35 /
64
3.3 m (11' 0") –52.3 cm (–20 19 /
32
2.9 m (9' 5") –44.8 cm (–17 21 /
32
2.4 m (7'10") –37.4 cm (–14 45 /
64
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.03321 χ
L2 (m) = 0.03985 χ
H1 (cm) = –0.62263 χ
H2 (cm) = 0.20754 χ
W (cm) = ±0.33207 χ
[Feet/inches]
L1 (ft) = 0.03321 χ / 0.3048
L2 (ft) = 0.03985 χ / 0.3048
H1 (in) = –0.62263 χ / 2.54
H2 (in) = 0.20754 χ / 2.54
W (in) = ±0.33207 χ / 2.54
Distance from the lens
center to the center of
the image [W]
Upper [H2]
0 cm (0") ±76.2 cm
0 cm (0") ±61.0 cm
0 cm (0") ±45.7 cm
0 cm (0") ±30.5 cm
") 0 cm (0") ±25.6 cm
0 cm (0") ±24.4 cm
") 0 cm (0") ±21.9 cm
0 cm (0") ±21.3 cm
0 cm (0") ±18.3 cm
Distance from the lens
center to the center of
the image [W]
Upper [H2]
") 46.7 cm (18 25 / ") ±74.7 cm
64
") 41.5 cm (16 11 / ") ±66.4 cm
32
") 31.1 cm (12 1 / ") ±49.8 cm
4
") 27.6 cm (10 7 / ") ±44.2 cm
8
") 22.0 cm (8 21 / ") ±35.2 cm
32
") 20.8 cm (8 11 / ") ±33.2 cm
64
") 19.1 cm (7 33 / ") ±30.6 cm
64
") 17.4 cm (6 55 / ") ±27.9 cm
64
") 14.9 cm (5 57 / ") ±23.9 cm
64
") 12.5 cm (4 29 / ") ±19.9 cm
32
(30")
(24")
(18")
(12")
(10 5 / ")
64
(9 19 / ")
32
(8 41 / ")
64
(8 13 / ")
32
(7 13 / ")
64
(29 27 / ")
64
(26 9 / ")
64
(19 39 / ")
64
(17 25 / ")
64
(13 55 / ")
64
(13 5 / ")
64
(12 1 / ")
32
(10 63 / ")
64
(9 13 / ")
32
(7 27 / ")
32