Dell S520 User Manual page 28

Projection
Distance
(cm)
[A]
51.7
60.1
65.5
67.7
75.9
* This graph is for user reference only.
* Offset Ratio: 125±5%
NOTE:
Height
Image
[D]
Height
[H]
28 Using Your Projector
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Projection
Distance
Diagonal
(cm)
(inch/cm)
[B]
[C]
18.2 70"/ 177.8 cm
26.6 80"/203.2 cm
32 87.2"/221.4 cm
34.2 90"/228.6 cm
42.4 100"/254 cm
The distance from mirror to the rear of projector: 33.5 cm
Projection Distance [B]
[E]
Image
Diagonal
[C]
Image size
Height (cm)
Width (cm)
[H]
148 92
172 107
187 117
193 121
217 136
Projection Distance [A]
Projector
Projector
base to
base to top of
bottom of
image (cm)
image (cm)
[D]
[E]
120 28
139 32
151 34
156 35
175 39
33.5 cm