Panasonic PT-DW8300U - Manual (Page 31)

Setting up
ENGLISH -
31
Getting Started
If the projector is used with a screen size not listed in this manual, check the diagonal dimension (inch) of your
screen and calculate the projection distance using the following formulas.
J
Calculation formulas for projection distance by lens types
(for PT-DZ8700U)
Model number of
projection lens
Throw ratio Aspect ratio Projection distance (L) formula Unit : m
Zoom lens
ET-D75LE1
1.4–1.8 : 1 16 : 10
Min. : L = 0.0298 × SD (") - 0.0760
Max. : L = 0.0399 × SD (") - 0.1004
1.4–1.8 : 1 16 : 9
Min. : L = 0.0307 × SD (") - 0.0760
Max. : L = 0.0410 × SD (") - 0.1004
1.6–2.2 : 1 4 : 3
Min. : L = 0.0338 × SD (") - 0.0760
Max. : L = 0.0451 × SD (") - 0.1004
ET-D75LE2
1.8–2.8 : 1 16 : 10
Min. : L = 0.0400 × SD (") - 0.0795
Max. : L = 0.0601 × SD (") - 0.1064
1.8–2.8 : 1 16 : 9
Min. : L = 0.0412 × SD (") - 0.0795
Max. : L = 0.0617 × SD (") - 0.1064
2.2–3.3 : 1 4 : 3
Min. : L = 0.0453 × SD (") - 0.0795
Max. : L = 0.0680 × SD (") - 0.1064
ET-D75LE3
2.8–4.6 : 1 16 : 10
Min. : L = 0.0601 × SD (") - 0.0958
Max. : L = 0.1003 × SD (") - 0.1216
2.8–4.6 : 1 16 : 9
Min. : L = 0.0617 × SD (") - 0.0958
Max. : L = 0.1031 × SD (") - 0.1216
3.3–5.6 : 1 4 : 3
Min. : L = 0.0680 × SD (") - 0.0958
Max. : L = 0.1136 × SD (") - 0.1216
ET-D75LE4
4.6–7.4 : 1 16 : 10
Min. : L = 0.1003 × SD (") - 0.1158
Max. : L = 0.1595 × SD (") - 0.1013
4.6–7.4 : 1 16 : 9
Min. : L = 0.1031 × SD (") - 0.1158
Max. : L = 0.1639 × SD (") - 0.1013
5.6–8.9 : 1 4 : 3
Min. : L = 0.1136 × SD (") - 0.1158
Max. : L = 0.1806 × SD (") - 0.1013
ET-D75LE8
7.3–13.8 : 1 16 : 10
Min. : L = 0.1595 × SD (") - 0.3862
Max. : L = 0.2989 × SD (") - 0.3598
7.3–13.8 : 1 16 : 9
Min. : L = 0.1640 × SD (") - 0.3862
Max. : L = 0.3072 × SD (") - 0.3598
8.8–16.5 : 1 4 : 3
Min. : L = 0.1806 × SD (") - 0.3862
Max. : L = 0.3383 × SD (") - 0.3598
ET-D75LE6
0.9–1.1 : 1 16 : 10
Min. : L = 0.0201 × SD (") - 0.0566
Max. : L = 0.0241 × SD (") - 0.0736
0.9–1.1 : 1 16 : 9
Min. : L = 0.0207 × SD (") - 0.0566
Max. : L = 0.0248 × SD (") - 0.0736
1.1–1.3 : 1 4 : 3
Min. : L = 0.0228 × SD (") - 0.0566
Max. : L = 0.0273 × SD (") - 0.0736
ET-D75LE10
1.3–1.7 : 1 16 : 10
Min. : L = 0.0284 × SD (") - 0.0857
Max. : L = 0.0367 × SD (") - 0.1085
1.3–1.7 : 1 16 : 9
Min. : L = 0.0292 × SD (") - 0.0857
Max. : L = 0.0377 × SD (") - 0.1085
1.6–2.0 : 1 4 : 3
Min. : L = 0.0322 × SD (") - 0.0857
Max. : L = 0.0416 × SD (") - 0.1085
ET-D75LE20
1.7–2.4 : 1 16 : 10
Min. : L = 0.0364 × SD (") - 0.0832
Max. : L = 0.0528 × SD (") - 0.1162
1.7–2.4 : 1 16 : 9
Min. : L = 0.0374 × SD (") - 0.0832
Max. : L = 0.0543 × SD (") - 0.1162
2.0–2.9 : 1 4 : 3
Min. : L = 0.0412 × SD (") - 0.0832
Max. : L = 0.0598 × SD (") - 0.1162
ET-D75LE30
2.4–4.7 : 1 16 : 10
Min. : L = 0.0524 × SD (") - 0.1131
Max. : L = 0.1017 × SD (") - 0.1765
2.4–4.7 : 1 16 : 9
Min. : L = 0.0539 × SD (") - 0.1131
Max. : L = 0.1045 × SD (") - 0.1765
2.9–5.6 : 1 4 : 3
Min. : L = 0.0594 × SD (") - 0.1131
Max. : L = 0.1151 × SD (") - 0.1765
Fixed-
focus lens
ET-D75LE5
0.7 : 1 16 : 10 L = 0.0154 × SD (") - 0.0835
0.7 : 1 16 : 9 L = 0.0158 × SD (") - 0.0835
0.8 : 1 4 : 3 L = 0.0174 × SD (") - 0.0835