Ricoh PJ X3131, PJ X3241, PJ WX3131 owner manual Placement

Placement (Continued)

PJ X3241				a (min length) = Projection size (inches) - 0.890
						32.863
Screen As seen from above				a (max length) = Projection size (inches) - 0.748
						27.363
				Projection	Projection distance a
					min length		max length	Height (H)
				size
					(zooming max)		(zooming min)
	90°			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.)
		As seen from the side		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.)
			Lens center	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°			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.)
			a
				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.)

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.

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