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Projection distance – Sony VPL-BW120S User Manual

Page 42

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Projection Distance

Projection Distance

The following describes the projection distance and height from lens center to bottom of screen
by each projected screen size.
The projection distance is the distance between the center of the lens and the surface of the
projected image.
Height H is the height from the bottom of the projected image (top for ceiling mount) to A
(determined by drawing a perpendicular line from lens center to projected image surface).

Floor Installation (Rear foot (adjustable) fully extended)

Projection distance

Unit: m (inches)

Projection distance formula
D: Projected image size (Diagonal)
H: Distance between the bottom edge of the image and the center of the lens

Expression#1

Unit: m (inches)

Projection distance L

Projected
image

Center of the lens

A

Height H from lens
center to bottom
of screen

Projected image size

Projection

Distance L

Height H from lens

center to bottom of

screen

Diagonal D

Width × Height

50 inch (1.27 m)

1.08 Ч 0.67 (42 Ч 26)

0.65 (26)

0.15 (5.83)

60 inch (1.52 m)

1.29 Ч 0.81 (51 Ч 32)

0.79 (31)

0.18 (7.00)

70 inch (1.78 m)

1.51 Ч 0.94 (59 Ч 37)

0.93 (36)

0.21 (8.16)

80 inch (2.03 m)

1.72 Ч 1.08 (68 Ч 42)

1.06 (42)

0.24 (9.33)

100 inch (2.54 m)

2.15 Ч 1.35 (85 Ч 53)

1.34 (53)

0.30 (11.66)

Projection Distance L

L=0.013794 × D – 0.0394 (L=0.543087 × D – 1.5503)