Eiki/Elf EIP-4500 Fixed Wide Lens AH-45201, Screen Size and Projection Distance, NORMAL Mode

Screen Size and Projection Distance

Fixed Wide Lens (AH-45201)

F2.5, f=11.6 mm

NORMAL Mode (4:3)

Picture (Screen) size

Projection distance

Distance from the lens center to

Distance from the lens

the bottom of the image [H]

center to the center of the

image [W]

Diag. [χ]

Width

Height

[L]

Lower [H1]

Upper [H2]

150'' (381 cm)

305 cm (120'')

229 cm

(90'')

2.4 m

(8'

0")

–114.3 cm

(–45")

–73.2 cm

(–28 51/64")

±33.5 cm

(13

13/64")

100'' (254 cm)

203 cm

(80'')

152 cm

(60'')

1.6 m

(5'

4")

–76.2 cm

(–30")

–48.8 cm

(–19 13/64")

±22.4 cm

(8

51/64")

84'' (213 cm)

171 cm

(67'')

128 cm

(50'')

1.4 m

(4'

6")

–64.0 cm

(–25 13/64")

–41.0 cm

(–16 1/8")

±18.8 cm

(7

25/64")

80'' (203 cm)

163 cm

(64'')

122 cm

(48'')

1.3 m

(4'

3")

–61.0 cm

(–24")

–39.0 cm

(–15 23/64")

±17.9 cm

(7

3/64")

χ:	Picture size (diag.) (in/cm)	The formula for picture size and projection distance
L:	Projection distance(m/ft)	[m/cm]
H:	Distance from the lens center to the bottom of the image (cm/in)	L (m) = 0.01626χ
H1:	Lower distance from the lens center to the bottom of the image (cm/in)	H1	(cm) = –0.762χ
H2:	Upper distance from the lens center to the bottom of the image (cm/in)	H2	(cm) = –0.48768χ
W:	Distance from the lens center to the center of the image (cm/in)	W (cm) = ±0.22352χ
		[Feet/inches]
		L (ft) = 0.01626χ / 0.3048
		H1	(in) = –0.762χ / 2.54
		H2	(in) = –0.48768χ / 2.54
		W (in) = ±0.22352χ / 2.54

STRETCH Mode (16:9)

Picture (Screen) size

Projection distance

Distance from the lens center to

Distance from the lens

the bottom of the image [H]

center to the center of the

image [W]

Diag. [χ]

Width

Height

[L]

Lower [H1]

Upper [H2]

133'' (338 cm)

294 cm (116'')

166 cm

(65'')

2.4 m

(7'

9")

–82.8 cm

(–32 39/64")

–43.1 cm

(–16 61/64")

±32.4 cm

(12

3/4")

106'' (269 cm)

235 cm

(92'')

132 cm

(52'')

1.9 m

(6'

2")

–66.0 cm

(–25 63/64")

–34.3 cm

(–13 33/64")

±25.8 cm

(10

5/32")

100'' (254 cm)

221 cm

(87'')

125 cm

(49'')

1.8 m

(5' 10")

–62.3 cm

(–24 33/64")

–32.4 cm

(–12 3/4")

±24.4 cm

(9 19/32")

92'' (234 cm)

204 cm

(80'')

115 cm

(45'')

1.6 m

(5'

4")

–57.3 cm

(–22 35/64")

–29.8 cm

(–11 47/64")

±24.4 cm

(8 53/64")

84'' (213 cm)

186 cm

(73'')

105 cm

(41'')

1.5 m

(4' 11")

–52.3 cm

(–20 19/32")

–27.2 cm

(–10 45/64")

±20.5 cm

(8 3/64")

72'' (183 cm)

159 cm

(63'')

90 cm

(35'')

1.3 m

(4'

2")

–44.8 cm

(–17 21/32")

–23.3 cm

(–9 11/64")

±17.5 cm

(6 29/32")

χ:	Picture size (diag.) (in/cm)	The formula for picture size and projection distance
L:	Projection distance(m/ft)	[m/cm]
H:	Distance from the lens center to the bottom of the image (cm/in)	L (m) = 0.01771χ
H1:	Lower distance from the lens center to the bottom of the image (cm/in)	H1	(cm) = –0.62263χ
H2:	Upper distance from the lens center to the bottom of the image (cm/in)	H2	(cm) = –0.32377χ
W:	Distance from the lens center to the center of the image (cm/in)	W (cm) = ±0.24352χ
		[Feet/inches]
		L (ft) = 0.01771χ / 0.3048
		H1	(in) = –0.62263χ / 2.54
		H2	(in) = –0.32377χ / 2.54
		W (in) = ±0.24352χ / 2.54

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.

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