Optoma hd7100 Manual Do Utilizador

Screen Size and Projection Distance

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When using a wide screen (16:9) project the image on the 
whole area of the 16:9 screen.

9

16

: Picture area

The formula for screen size and projection distance

Screen Size (16:9)

Projection Distance

Distance from lens center to 

the lower edge of the image 

Diagonal

Width Height

Max

Min

upper

lower

300” (762 cm) 261” (664 cm) 147" (374 cm)

37'6" (11.4 m)

29'10" (9.1 m)

0” (0 cm)

-12’3” (-374 cm)

250” (635 cm) 218” (553 cm) 123" (311 cm)

31'3" (9.5 m)

24'11" (7.6 m)

0” (0 cm)

-10’3” (-311 cm)

200” (508 cm) 174” (443 cm) 98" (249 cm)

24'12" (7.6 m)

19'11" (6.1 m)

0” (0 cm)

-8’2” (-249 cm)

150” (381 cm) 131” (332 cm) 74" (187 cm)

18'9" (5.7 m)

14'11" (4.6 m)

0” (0 cm)

-6’2” (-187 cm)

133” (338 cm) 116” (294 cm) 65" (166 cm)

16'7" (5.1 m)

13'3" (4.0 m)

0” (0 cm)

-5’5” (-166 cm)

106” (269 cm) 92” (234 cm)

52" (132 cm)

13'3" (4.0 m)

10'7" (3.2 m)

0” (0 cm)

-4’4” (-132 cm)

100” (254 cm) 87” (221 cm)

49" (125 cm)

12'6" (3.8 m)

9'11" (3.0 m)

0” (0 cm)

-4’1” (-125 cm)

92” (234 cm)

80” (204 cm)

45" (115 cm)

11'6" (3.5 m)

9'2" (2.8 m)

0” (0 cm)

-3’9” (-115 cm)

84” (213 cm)

73” (186 cm)

41" (105 cm)

10'6" (3.2 m)

8'4" (2.5 m)

0” (0 cm)

-3’5” (-105 cm)

72” 183 cm)

63” (159 cm)

35" (90 cm)

9'00" (2.7 m)

7'2" (2.2 m)

0” (0 cm)

-2’11” (-90 cm)

60” (152 cm)

52” (132 cm)

29" (75 cm)

7'6" (2.3 m)

6'00" (1.8 m)

0” (0 cm)

-2’5” (-75 cm)

40” (102 cm)

35” (89 cm)

20" (50 cm)

5'00" (1.5 m)

4'00" (1.2 m)

0” (0 cm)

-1’8” (-50 cm)

y1(max)=0.038089291x
y2(min)=0.030344196x
z1 (Upper) = 0
z2(lower)=1.245263549x

x: Screen size (diag.) (meter)
y: Projection distance (feet)
z: Distance from the lens center to the lower 

edge of the image (centimeter)

• There is a tolerance of ±3% in the formula above.
• Values with a minus (–) sign indicate the distance of the lens center below 

the bottom of the image.