Ricoh PJ X3131 User Manual
Placement (Continued)
a (min length) = Projection size (inches) - 0.890
32.863
a (max length) = Projection size (inches) - 0.748
27.363
Projection
size
Projection distance
a
Height (
H)
min length
(zooming max)
max length
(zooming min)
30 inches 0.89 m (.9 ft.) 1.07 m (3.51 ft.)
6.50 cm (0.1 ft.)
40 inches 1.19 m (3.90 ft.) 1.44 m (4.7 ft.)
8.70 cm (0.9 ft.)
50 inches 1.49 m (4.89 ft.) 1.80 m (5.91 ft.) 10.90 cm (0.36 ft.)
60 inches 1.80 m (5.91 ft.) .17 m (7.1 ft.) 13.10 cm (0.43 ft.)
70 inches .10 m (6.89 ft.) .53 m (8.30 ft.) 15.0 cm (0.50 ft.)
80 inches .41 m (7.91 ft.) .90 m (9.51 ft.) 17.40 cm (0.57 ft.)
90 inches .71 m (8.89 ft.) 3.6 m (10.70 ft.) 19.60 cm (0.64 ft.)
100 inches 3.0 m (9.91 ft.) 3.63 m (11.91 ft.) 1.80 cm (0.7 ft.)
10 inches 3.6 m (11.88 ft.) 4.36 m (14.30 ft.) 6.10 cm (0.86 ft.)
150 inches 4.54 m (14.90 ft.) 5.46 m (17.91 ft.) 3.70 cm (1.07 ft.)
00 inches 6.06 m (19.88 ft.) 7.8 m (3.88 ft.) 43.50 cm (1.43 ft.)
50 inches 7.58 m (4.87 ft.) 9.11 m (9.89 ft.) 54.40 cm (1.78 ft.)
300 inches 9.10 m (9.86 ft.) 10.94 m (35.89 ft.) 65.30 cm (.14 ft.)
60 inches 1.80 m (5.91 ft.) .17 m (7.1 ft.) 13.10 cm (0.43 ft.)
70 inches .10 m (6.89 ft.) .53 m (8.30 ft.) 15.0 cm (0.50 ft.)
80 inches .41 m (7.91 ft.) .90 m (9.51 ft.) 17.40 cm (0.57 ft.)
90 inches .71 m (8.89 ft.) 3.6 m (10.70 ft.) 19.60 cm (0.64 ft.)
100 inches 3.0 m (9.91 ft.) 3.63 m (11.91 ft.) 1.80 cm (0.7 ft.)
10 inches 3.6 m (11.88 ft.) 4.36 m (14.30 ft.) 6.10 cm (0.86 ft.)
150 inches 4.54 m (14.90 ft.) 5.46 m (17.91 ft.) 3.70 cm (1.07 ft.)
00 inches 6.06 m (19.88 ft.) 7.8 m (3.88 ft.) 43.50 cm (1.43 ft.)
50 inches 7.58 m (4.87 ft.) 9.11 m (9.89 ft.) 54.40 cm (1.78 ft.)
300 inches 9.10 m (9.86 ft.) 10.94 m (35.89 ft.) 65.30 cm (.14 ft.)
90°
As seen from above
As seen from the side
Screen
Lens center
a
90°
a is the distance (m, feet) between the lens and the screen, and corresponds to a range of 0.89 m
(.9 ft.) to 10.94 m (35.89 ft.).
H is the height from the image bottom to the center of the lens.
PJ X3241