Panasonic PT-DZ13KE Operating Instructions Manual page 42

Formula to calculate projection distance per projection lens
To use a screen size not listed in this manual, check the screen size SD (m) and use the respective formula to calculate projection distance.
The unit of all the formulae is m. (Values obtained by the following calculation formulae contain a slight error.)
For PT-DZ13KE, PT-DZ10KE
r Zoom lens
Projection lens Model No.
ET-D75LE1
ET-D75LE2
ET-D75LE3
ET-D75LE4
ET-D75LE8
ET-D75LE6
ET-D75LE10
ET-D75LE20
42 - ENGLISH
Chapter 2 Getting Started — Setting up
Throw ratio Aspect ratio
1.4 to 1.8:1 16:10
1.4 to 1.8:1 16:9
1.6 to 2.2:1 4:3
1.8 to 2.8:1 16:10
1.8 to 2.8:1 16:9
2.2 to 3.3:1 4:3
2.8 to 4.6:1 16:10
2.8 to 4.6:1 16:9
3.3 to 5.5:1 4:3
4.6 to 7.4:1 16:10
4.6 to 7.4:1 16:9
5.6 to 8.9:1 4:3
7.3 to 13.8:1 16:10
7.3 to 13.8:1 16:9
8.8 to 16.5:1 4:3
0.9 to 1.1:1 16:10
0.9 to 1.1:1 16:9
1.1 to 1.3:1 4:3
1.3 to 1.7:1 16:10
1.3 to 1.7:1 16:9
1.6 to 2.0:1 4:3
1.7 to 2.4:1 16:10
1.7 to 2.4:1 16:9
2.0 to 2.9:1 4:3
Projection distance (L) formula
Min. (LW) L = 1.1732 x SD - 0.0760
Max. (LT) L = 1.5709 x SD - 0.1004
Min. (LW) L = 1.2087 x SD - 0.0760
Max. (LT) L = 1.6142 x SD - 0.1004
Min. (LW) L = 1.3307 x SD - 0.0760
Max. (LT) L = 1.7756 x SD - 0.1004
Min. (LW) L = 1.5748 x SD - 0.0795
Max. (LT) L = 2.3661 x SD - 0.1064
Min. (LW) L = 1.6220 x SD - 0.0795
Max. (LT) L = 2.4291 x SD - 0.1064
Min. (LW) L = 1.7835 x SD - 0.0795
Max. (LT) L = 2.6772 x SD - 0.1064
Min. (LW) L = 2.3661 x SD - 0.0958
Max. (LT) L = 3.9488 x SD - 0.1216
Min. (LW) L = 2.4291 x SD - 0.0958
Max. (LT) L = 4.0591 x SD - 0.1216
Min. (LW) L = 2.6772 x SD - 0.0958
Max. (LT) L = 4.4724 x SD - 0.1216
Min. (LW) L = 3.9488 x SD - 0.1158
Max. (LT) L = 6.2795 x SD - 0.1013
Min. (LW) L = 4.0591 x SD - 0.1158
Max. (LT) L = 6.4528 x SD - 0.1013
Min. (LW) L = 4.4724 x SD - 0.1158
Max. (LT) L = 7.1102 x SD - 0.1013
Min. (LW) L = 6.2795 x SD - 0.3862
Max. (LT) L = 11.7677 x SD - 0.3598
Min. (LW) L = 6.4567 x SD - 0.3862
Max. (LT) L = 12.0945 x SD - 0.3598
Min. (LW) L = 7.1102 x SD - 0.3862
Max. (LT) L = 13.3189 x SD - 0.3598
Min. (LW) L = 0.7913 x SD - 0.0566
Max. (LT) L = 0.9488 x SD - 0.0736
Min. (LW) L = 0.8150 x SD - 0.0566
Max. (LT) L = 0.9764 x SD - 0.0736
Min. (LW) L = 0.8976 x SD - 0.0566
Max. (LT) L = 1.0748 x SD - 0.0736
Min. (LW) L = 1.1186 x SD - 0.0857
Max. (LT) L = 1.4458 x SD - 0.1085
Min. (LW) L = 1.1497 x SD - 0.0857
Max. (LT) L = 1.4860 x SD - 0.1085
Min. (LW) L = 1.2663 x SD - 0.0857
Max. (LT) L = 1.6367 x SD - 0.1085
Min. (LW) L = 1.4312 x SD - 0.0832
Max. (LT) L = 2.0795 x SD - 0.1162
Min. (LW) L = 1.4709 x SD - 0.0832
Max. (LT) L = 2.1373 x SD - 0.1162
Min. (LW) L = 1.6202 x SD - 0.0832
Max. (LT) L = 2.3542 x SD - 0.1162