Screen Size and Projection Distance

Tele-zoom Lens (AN-P30EZ)F2.5, f=40.8-62.8 mm

16:10 Signal Input (Normal Mode)

Picture (Screen) size

Projection distance [L]

Distance from the lens center to

Distance from the lens

the bottom of the image [H]

center to the center of

 

 

 

 

 

Diag. [χ]

Width

Height

Minimum [L1]

Maximum [L2]

Lower [H1]

Upper [H2]

the image [W]

230'' (584 cm)

495 cm (195'')

310 cm (122'')

15.1 m (49' 5")

22.6 m (74' 1")

–360.7 cm (–142")

51.1 cm (20 7/64")

±173.4cm

(68 1/4")

200'' (508 cm)

431 cm (170'')

269 cm (106'')

13.1 m (43' 0")

19.6 m (64' 5")

–313.6 cm (–123 15/32")

44.4 cm (17 31/64")

±150.8cm

(59 23/64")

150'' (381 cm)

323 cm (127'')

202 cm (79'')

9.8 m (32' 3")

14.7 m (48' 4")

–235.2 cm (–92

39/64")

33.3 cm (13 7/64")

±113.1cm

(44 33/64")

120'' (305 cm)

258 cm (102'')

162 cm (64'')

7.9 m (25' 9")

11.8 m (38' 8")

–188.2 cm (–74

5/64")

26.7 cm (10 1/2")

±90.5cm

(35 39/64")

100'' (254 cm)

215 cm (85'')

135 cm (53'')

6.5 m (21' 6")

9.8 m (32' 3")

–156.8 cm (–61

47/64")

22.2 cm (8 3/4")

±75.4cm

(29 43/64")

80'' (203 cm)

172 cm (68'')

108 cm (42'')

5.2 m (17' 2")

7.9 m (25' 9")

–125.5 cm (–49

25/64")

17.8 cm (7")

±60.3cm

(23 47/64")

60'' (152 cm)

129 cm (51'')

81 cm (32'')

3.9 m (12' 11")

5.9 m (19' 4")

–94.1 cm (–37

3/64")

13.3 cm (5 1/4")

±45.2cm

(17 13/16")

χ:

Picture size (diag.) (in/cm)

The formula for picture size and projection distance

L1:

Minimum projection distance (m/ft)

[m/cm]

L2:

Maximum projection distance (m/ft)

L1

(m) = 0.06547χ

H1:

Lower distance from the lens center to the bottom of the image (cm/in)

L2

(m) = 0.09821χ

H2:

Upper distance from the lens center to the bottom of the image (cm/in)

H1

(cm) = –1.56815χ

W:

Distance from the lens center to the center of the image (cm/in)

H2

(cm) = 0.2221χ

 

 

W (cm) = ±0.75379χ

 

 

[Feet/inches]

 

 

L1

(ft) = 0.06547χ / 0.3048

 

 

L2

(ft) = 0.09821χ / 0.3048

 

 

H1

(in) = –1.56815χ / 2.54

 

 

H2

(in) = 0.2221χ / 2.54

 

 

W (in) = ±0.75379χ / 2.54

4:3 Signal Input (Normal Mode)

Picture (Screen) size

Projection distance [L]

Distance from the lens center to

Distance from the lens

the bottom of the image [H]

center to the center of

 

 

 

 

 

Diag. [χ]

Width

Height

Minimum [L1]

Maximum [L2]

Lower [H1]

Upper [H2]

the image [W]

200'' (508 cm)

406 cm (160'')

305 cm (120'')

14.8 m (48' 8")

22.2 m (72' 11")

–355.1 cm (–139 25/32")

50.3 cm (19 51/64")

±170.7cm

(67 13/64")

150'' (381 cm)

305 cm (120'')

229 cm (90'')

11.1 m (36' 6")

16.7 m (54' 9")

–266.3 cm (–104 27/32")

37.7 cm (14 27/32")

±128.0cm

(50 13/32")

120'' (305 cm)

244 cm (96'')

183 cm (72'')

8.9 m (29' 2")

13.3 m (43' 9")

–213.0 cm (–83 7/8")

30.2 cm (11 7/8")

±102.4cm

(40 5/16")

100'' (254 cm)

203 cm (80'')

152 cm (60'')

7.4 m (24' 4")

11.1 m (36' 6")

–177.5 cm (–69 57/64")

25.1 cm (9 29/32")

±85.3cm

(33 19/32")

80'' (203 cm)

163 cm (64'')

122 cm (48'')

5.9 m (19' 5")

8.9 m (29' 2")

–142.0 cm (–55 29/32")

20.1 cm (7 59/64")

±68.3cm

(26 7/8")

70'' (178 cm)

142 cm (56'')

107 cm (42'')

5.2 m (17' 0")

7.8 m (25' 6")

–124.3 cm (–48 59/64")

17.6 cm (6 59/64")

±59.7cm

(23 33/64")

60'' (152 cm)

122 cm (48'')

91 cm (36'')

4.4 m (14' 7")

6.7 m (21' 11")

–106.5 cm (–41 15/16")

15.1 cm (5 15/16")

±51.2cm

(20 5/32")

χ:

Picture size (diag.) (in/cm)

The formula for picture size and projection distance

L1:

Minimum projection distance (m/ft)

[m/cm]

L2:

Maximum projection distance (m/ft)

L1

(m) = 0.07412χ

H1:

Lower distance from the lens center to the bottom of the image (cm/in)

L2

(m) = 0.11118χ

H2:

Upper distance from the lens center to the bottom of the image (cm/in)

H1

(cm) = –1.77527χ

W:

Distance from the lens center to the center of the image (cm/in)

H2

(cm) = 0.25143χ

 

 

W (cm) = ±0.85344χ

 

 

[Feet/inches]

 

 

L1

(ft) = 0.07412χ / 0.3048

 

 

L2

(ft) = 0.11118χ / 0.3048

 

 

H1

(in) = –1.77527χ / 2.54

 

 

H2

(in) = 0.25143χ / 2.54

 

 

W (in) = ±0.85344χ / 2.54

Note

•Allow a margin of error in the value in the diagrams above.

•When the distance from the lens center to the bottom of the image [H] is a negative number, this indicates that the bottom of the image is below the lens center.

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