Ricoh PJ X3131 Mode D'emploi page 20

PJ X3241
Screen
As seen from above
90°
As seen from the side
Lens center
90°
a
a is the distance (m, feet) between the lens and the screen, and corresponds to a range of 0.89 m
(2.92 ft.) to 10.94 m (35.89 ft.). H is the height from the image bottom to the center of the lens.
Projection size (inches) - 0.890
a (min length) =
Projection size (inches) - 0.748
a (max length) =
Projection distance a
Projection
min length
size
(zooming max)
30 inches 0.89 m (2.92 ft.)
40 inches 1.19 m (3.90 ft.)
50 inches 1.49 m (4.89 ft.)
60 inches 1.80 m (5.91 ft.)
70 inches 2.10 m (6.89 ft.)
80 inches 2.41 m (7.91 ft.)
90 inches 2.71 m (8.89 ft.)
100 inches 3.02 m (9.91 ft.)
120 inches 3.62 m (11.88 ft.)
150 inches 4.54 m (14.90 ft.)
200 inches 6.06 m (19.88 ft.)
250 inches 7.58 m (24.87 ft.)
300 inches 9.10 m (29.86 ft.) 10.94 m (35.89 ft.) 65.30 cm (2.14 ft.)
19
32.863
27.363
max length
(zooming min)
1.07 m (3.51 ft.) 6.50 cm (0.21 ft.)
1.44 m (4.72 ft.) 8.70 cm (0.29 ft.)
1.80 m (5.91 ft.) 10.90 cm (0.36 ft.)
2.17 m (7.12 ft.) 13.10 cm (0.43 ft.)
2.53 m (8.30 ft.) 15.20 cm (0.50 ft.)
2.90 m (9.51 ft.) 17.40 cm (0.57 ft.)
3.26 m (10.70 ft.) 19.60 cm (0.64 ft.)
3.63 m (11.91 ft.) 21.80 cm (0.72 ft.)
4.36 m (14.30 ft.) 26.10 cm (0.86 ft.)
5.46 m (17.91 ft.) 32.70 cm (1.07 ft.)
7.28 m (23.88 ft.) 43.50 cm (1.43 ft.)
9.11 m (29.89 ft.) 54.40 cm (1.78 ft.)
Height (H)