Calculation Formulas For Projection Distance By Lens Types - Panasonic DLP PT-D12000E Operating Instructions Manual

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.

Calculation formulas for projection distance by lens types

(for PT-DZ12000E)
Model number of
Throw ratio Aspect ratio
projection lens
1.4-1.8 : 1
ET-D75LE1 1.4-1.8 : 1
1.6-2.2 : 1
1.8-2.8 : 1
ET-D75LE2 1.8-2.8 : 1
2.2-3.3 : 1
2.8-4.6 : 1
ET-D75LE3 2.8-4.6 : 1
3.3-5.6 : 1
4.6-7.4 : 1
ET-D75LE4 4.6-7.4 : 1
5.6-8.9 : 1
7.3-13.8 : 1
ET-D75LE8 7.3-13.8 : 1
8.8-16.5 : 1
0.9-1.1 : 1
ET-D75LE6 0.9-1.1 : 1
1.1-1.3 : 1
0.7 : 1
ET-D75LE5 0.7 : 1
0.8 : 1
Projection distance (L) formula (Units: m)
Minimal distance : L = 0.0298 × Screen diagonal (inch) – 0.0760
16:10
Maximal distance: L = 0.0399 × Screen diagonal (inch) – 0.1004
Minimal distance : L = 0.0307 × Screen diagonal (inch) – 0.0760
16:9
Maximal distance: L = 0.0410 × Screen diagonal (inch) – 0.1004
Minimal distance : L = 0.0338 × Screen diagonal (inch) – 0.0760
4:3
Maximal distance: L = 0.0451 × Screen diagonal (inch) – 0.1004
Minimal distance : L = 0.0400 × Screen diagonal (inch) – 0.0795
16:10
Maximal distance: L = 0.0601 × Screen diagonal (inch) – 0.1064
Minimal distance : L = 0.0412 × Screen diagonal (inch) – 0.0795
16:9
Maximal distance: L = 0.0617 × Screen diagonal (inch) – 0.1064
Minimal distance : L = 0.0453 × Screen diagonal (inch) – 0.0795
4:3
Maximal distance: L = 0.0680 × Screen diagonal (inch) – 0.1064
Minimal distance : L = 0.0601 × Screen diagonal (inch) – 0.0958
16:10
Maximal distance: L = 0.1003 × Screen diagonal (inch) – 0.1216
Minimal distance : L = 0.0617 × Screen diagonal (inch) – 0.0958
16:9
Maximal distance: L = 0.1031 × Screen diagonal (inch) – 0.1216
Minimal distance : L = 0.0680 × Screen diagonal (inch) – 0.0958
4:3
Maximal distance: L = 0.1136 × Screen diagonal (inch) – 0.1216
Minimal distance : L = 0.1003 × Screen diagonal (inch) – 0.1158
16:10
Maximal distance: L = 0.1595 × Screen diagonal (inch) – 0.1013
Minimal distance : L = 0.1031 × Screen diagonal (inch) – 0.1158
16:9
Maximal distance: L = 0.1639 × Screen diagonal (inch) – 0.1013
Minimal distance : L = 0.1136 × Screen diagonal (inch) – 0.1158
4:3
Maximal distance: L = 0.1806 × Screen diagonal (inch) – 0.1013
Minimal distance : L = 0.1595 × Screen diagonal (inch) – 0.3862
16:10
Maximal distance: L = 0.2989 × Screen diagonal (inch) – 0.3598
Minimal distance : L = 0.1640 × Screen diagonal (inch) – 0.3862
16:9
Maximal distance: L = 0.3072 × Screen diagonal (inch) – 0.3598
Minimal distance : L = 0.1806 × Screen diagonal (inch) – 0.3862
4:3
Maximal distance: L = 0.3383 × Screen diagonal (inch) – 0.3598
Minimal distance : L = 0.0201 × Screen diagonal (inch) – 0.0566
16:10
Maximal distance: L = 0.0241 × Screen diagonal (inch) – 0.0736
Minimal distance : L = 0.0207 × Screen diagonal (inch) – 0.0566
16:9
Maximal distance: L = 0.0248 × Screen diagonal (inch) – 0.0736
Minimal distance : L = 0.0228 × Screen diagonal (inch) – 0.0566
4:3
Maximal distance: L = 0.0273 × Screen diagonal (inch) – 0.0736
16:10
16:9
4:3
L = 0.0154 × Screen diagonal (inch) – 0.0835
L = 0.0158 × Screen diagonal (inch) – 0.0835
L = 0.0174 × Screen diagonal (inch) – 0.0835
ENGLISH – 25