Ricoh PJ X3131 Owner's Manual download pdf (Page 22)

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 (2.92 ft.)

1.07 m (3.51 ft.) 6.50 cm (0.21 ft.)

40 inches

1.19 m (3.90 ft.)

1.44 m (4.72 ft.) 8.70 cm (0.29 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.)

2.17 m (7.12 ft.) 13.10 cm (0.43 ft.)

70 inches

2.10 m (6.89 ft.)

2.53 m (8.30 ft.) 15.20 cm (0.50 ft.)

80 inches

2.41 m (7.91 ft.)

2.90 m (9.51 ft.) 17.40 cm (0.57 ft.)

90 inches

2.71 m (8.89 ft.)

3.26 m (10.70 ft.) 19.60 cm (0.64 ft.)

100 inches

3.02 m (9.91 ft.)

3.63 m (11.91 ft.) 21.80 cm (0.72 ft.)

120 inches

3.62 m (11.88 ft.)

4.36 m (14.30 ft.) 26.10 cm (0.86 ft.)

150 inches

4.54 m (14.90 ft.)

5.46 m (17.91 ft.) 32.70 cm (1.07 ft.)

200 inches

6.06 m (19.88 ft.)

7.28 m (23.88 ft.) 43.50 cm (1.43 ft.)

250 inches

7.58 m (24.87 ft.)

9.11 m (29.89 ft.) 54.40 cm (1.78 ft.)

300 inches

9.10 m (29.86 ft.)

10.94 m (35.89 ft.) 65.30 cm (2.14 ft.)

90°

As seen from above

As seen from the side

Screen

Lens center

90°

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.

PJ X3241

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Ricoh PJ X3131 Owner's Manual Page 22

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