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5. Lenses & lens holder
5.3
Lens formulas
Formulas
Lens
Throw ratio for 0.98" DC2K Zoom
Formulas (metric and inches)
0.98” DC2K Zoom (1.2–1.81:1)
1.2 - 1.81
PD
min
=1.2 x SW
PD
max
=1.81 x SW
0.98” DC2K Zoom (1.4–2.05:1)
1.4 - 2.05
PD
min
=1.4 x SW
PD
max
=2.05 x SW
0.98” DC2K Zoom (1.6–2.5:1)
1.6 - 2.5
PD
min
=1.60 x SW
PD
max
=2.50 x SW
0.98” DC2K Zoom (1.95–3.2:1)
1.95 - 3.2
PD
min
=1.95 x SW
PD
max
=3.2 x SW
0.98” DC2K Zoom (2.4–3.9:1)
2.4 - 3.9
PD
min
=2.4 x SW
PD
max
=3.9 x SW
Due to production tolerances the real distances can differ by 2% from these calculated values.
For critical situations (
fi
xed installs that use the lens at one of its extreme zoom positions) this should be
taken into account.
C
AUTION
:
Never transport the projector with a Lens mounted in the Lens Holder. Always remove the Lens
before transporting the projector. Neglecting this can damage the Lens Holder and Prism.
48
R59770351 DP2K-20C 02/02/2010
Содержание DP2K--20C
Страница 1: ...DP2K 20C Installation manual R59770351 02 02 02 2010...
Страница 5: ...Projector Pb Hg Cd Cr6 PBB PBDE x o o o o o RoHS...
Страница 6: ......
Страница 29: ...3 Physical installation 1 2 3 5 4 7 6 Image 3 11 R59770351 DP2K 20C 02 02 2010 23...
Страница 82: ...8 Starting up 76 R59770351 DP2K 20C 02 02 2010...
Страница 90: ...9 Projector registration Image 9 9 Add new owner 84 R59770351 DP2K 20C 02 02 2010...
Страница 100: ...10 Removal and installation of projector covers Image 10 12 Top cover removal 94 R59770351 DP2K 20C 02 02 2010...
Страница 108: ...10 Removal and installation of projector covers 102 R59770351 DP2K 20C 02 02 2010...
Страница 120: ...11 Maintenance 114 R59770351 DP2K 20C 02 02 2010...
Страница 134: ...A Specifications 128 R59770351 DP2K 20C 02 02 2010...