Panasonic PTDZ8700U PTDS8500U User Guide - Page 31

Calculation formulas for projection distance by lens types, for PT-DZ8700U - manual

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Setting up 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. JJCalculation formulas for projection distance by lens types (for PT-DZ8700U) Zoom lens Model number of projection lens ET-D75LE1 ET-D75LE2 ET-D75LE3 ET-D75LE4 ET-D75LE8 ET-D75LE6 ET-D75LE10 ET-D75LE20 ET-D75LE30 ET-D75LE5 Throw ratio 1.4-1.8 : 1 1.4-1.8 : 1 1.6-2.2 : 1 1.8-2.8 : 1 1.8-2.8 : 1 2.2-3.3 : 1 2.8-4.6 : 1 2.8-4.6 : 1 3.3-5.6 : 1 4.6-7.4 : 1 4.6-7.4 : 1 5.6-8.9 : 1 7.3-13.8 : 1 7.3-13.8 : 1 8.8-16.5 : 1 0.9-1.1 : 1 0.9-1.1 : 1 1.1-1.3 : 1 1.3-1.7 : 1 1.3-1.7 : 1 1.6-2.0 : 1 1.7-2.4 : 1 1.7-2.4 : 1 2.0-2.9 : 1 2.4-4.7 : 1 2.4-4.7 : 1 2.9-5.6 : 1 0.7 : 1 0.7 : 1 0.8 : 1 Aspect ratio 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 16 : 10 16 : 9 4 : 3 Projection distance (L) formula Min. : L = 0.0298 × SD (") - 0.0760 Max. : L = 0.0399 × SD (") - 0.1004 Min. : L = 0.0307 × SD (") - 0.0760 Max. : L = 0.0410 × SD (") - 0.1004 Min. : L = 0.0338 × SD (") - 0.0760 Max. : L = 0.0451 × SD (") - 0.1004 Min. : L = 0.0400 × SD (") - 0.0795 Max. : L = 0.0601 × SD (") - 0.1064 Min. : L = 0.0412 × SD (") - 0.0795 Max. : L = 0.0617 × SD (") - 0.1064 Min. : L = 0.0453 × SD (") - 0.0795 Max. : L = 0.0680 × SD (") - 0.1064 Min. : L = 0.0601 × SD (") - 0.0958 Max. : L = 0.1003 × SD (") - 0.1216 Min. : L = 0.0617 × SD (") - 0.0958 Max. : L = 0.1031 × SD (") - 0.1216 Min. : L = 0.0680 × SD (") - 0.0958 Max. : L = 0.1136 × SD (") - 0.1216 Min. : L = 0.1003 × SD (") - 0.1158 Max. : L = 0.1595 × SD (") - 0.1013 Min. : L = 0.1031 × SD (") - 0.1158 Max. : L = 0.1639 × SD (") - 0.1013 Min. : L = 0.1136 × SD (") - 0.1158 Max. : L = 0.1806 × SD (") - 0.1013 Min. : L = 0.1595 × SD (") - 0.3862 Max. : L = 0.2989 × SD (") - 0.3598 Min. : L = 0.1640 × SD (") - 0.3862 Max. : L = 0.3072 × SD (") - 0.3598 Min. : L = 0.1806 × SD (") - 0.3862 Max. : L = 0.3383 × SD (") - 0.3598 Min. : L = 0.0201 × SD (") - 0.0566 Max. : L = 0.0241 × SD (") - 0.0736 Min. : L = 0.0207 × SD (") - 0.0566 Max. : L = 0.0248 × SD (") - 0.0736 Min. : L = 0.0228 × SD (") - 0.0566 Max. : L = 0.0273 × SD (") - 0.0736 Min. : L = 0.0284 × SD (") - 0.0857 Max. : L = 0.0367 × SD (") - 0.1085 Min. : L = 0.0292 × SD (") - 0.0857 Max. : L = 0.0377 × SD (") - 0.1085 Min. : L = 0.0322 × SD (") - 0.0857 Max. : L = 0.0416 × SD (") - 0.1085 Min. : L = 0.0364 × SD (") - 0.0832 Max. : L = 0.0528 × SD (") - 0.1162 Min. : L = 0.0374 × SD (") - 0.0832 Max. : L = 0.0543 × SD (") - 0.1162 Min. : L = 0.0412 × SD (") - 0.0832 Max. : L = 0.0598 × SD (") - 0.1162 Min. : L = 0.0524 × SD (") - 0.1131 Max. : L = 0.1017 × SD (") - 0.1765 Min. : L = 0.0539 × SD (") - 0.1131 Max. : L = 0.1045 × SD (") - 0.1765 Min. : L = 0.0594 × SD (") - 0.1131 Max. : L = 0.1151 × SD (") - 0.1765 L = 0.0154 × SD (") - 0.0835 L = 0.0158 × SD (") - 0.0835 L = 0.0174 × SD (") - 0.0835 Unit : m Fixedfocus lens ENGLISH - 31

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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