User Guide

14
Projection dimensions
The "screen" mentioned below refers to the projection screen usually consisting of a screen
surface and a support structure.
(a)
(c)
(b)
(e)
(f)
(d)
(a)
(c)
(b)
(e)
(f)
(d)
(a)
(c)
(b)
(e)
(f)
(d)
(f): Center of lens(e): Screen
• 16:9 image on a 16:9 screen
• 16:9 image on a 4:3 screen
(a)
(d)
(c)
(b)
(e)
(f)
PJD7828HDL/PJD7831HDL
(a) Screen
Size
[inch (m)]
16:9 image on a 16:9 Screen 16:9 image on a 4:3 Screen
(b) Projection
distance [m (inch)]
(c) Image
height
[cm (inch)]
(d) Vertical
offset
[cm (inch)]
(b) Projection
distance [m (inch)]
(c) Image
height
[cm
(inch)]
(d)
Vertical
offset
[cm (inch)]
min. max. min. max.
30 (0.8) 0.8 (30) 1.0 (39) 37 (15) 1.9 (0.7) 0.7 (28) 0.9 (36) 34 (14) 1.7 (0.7)
40 (1.0) 1.0 (40) 1.3 (52) 50 (20) 2.5 (1.0) 0.9 (37) 1.2 (48) 46 (18) 2.3 (0.9)
50 (1.3) 1.3 (50) 1.7 (65) 62 (25) 3.1 (1.2) 1.2 (46) 1.5 (60) 57 (23) 2.9 (1.1)
60 (1.5) 1.5 (60) 2.0 (79) 75 (29) 3.7 (1.5) 1.4 (55) 1.8 (72) 69 (27) 3.4 (1.4)
70 (1.8) 1.8 (70) 2.3 (92) 87 (34) 4.4 (1.7) 1.6 (65) 2.1 (84) 80 (32) 4.0 (1.6)
80 (2.0) 2.0 (81) 2.7 (105) 100 (39) 5.0 (2.0) 1.9 (74) 2.4 (96) 91 (36) 4.6 (1.8)
90 (2.3) 2.3 (91) 3.0 (118) 112 (44) 5.6 (2.2) 2.1 (83) 2.7 (108) 103 (41) 5.1 (2.0)
100 (2.5) 2.6 (101) 3.3 (131) 125 (49) 6.2 (2.5) 2.3 (92) 3.1 (120) 114 (45) 5.7 (2.3)
120 (3.0) 3.1 (121) 4.0 (157) 149 (59) 7.5 (2.9) 2.8 (111) 3.7 (144) 137 (54) 6.9 (2.7)
150 (3.8) 3.8 (151) 5.0 (196) 187 (74) 9.3 (3.7) 3.5 (139) 4.6 (180) 171 (68) 8.6 (3.4)
200 (5.1) 5.1 (201) 6.7 (262) 249 (98) 12.5 (4.9) 4.7 (185) 6.1 (240) 229 (90) 11.4 (4.5)
250 (6.4) 6.4 (252) 8.3 (327) 311 (123) 15.6 (6.1) 5.9 (231) 7.6 (300) 286 (113) 14.3 (5.6)
300 (7.6) 7.7 (302) 10.0 (393) 374 (147) 18.7 (7.4) 7.0 (277) 9.2 (360) 343 (135) 17.1 (6.8)