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.
36
R59770091 DP-1500 06/01/2009
Summary of Contents for DP-1500
Page 1: ...DP 1500 Installation manual R59770091 06 06 01 2009 ...
Page 14: ...1 Operating conditions 10 R59770091 DP 1500 06 01 2009 ...
Page 32: ...3 Mechanical set up of the DP 1500 28 R59770091 DP 1500 06 01 2009 ...
Page 48: ...5 Lenses lens holder 44 R59770091 DP 1500 06 01 2009 ...
Page 66: ...6 Lamp lamp house 62 R59770091 DP 1500 06 01 2009 ...
Page 84: ...9 Starting up 80 R59770091 DP 1500 06 01 2009 ...
Page 92: ...10 Projector registration Image 10 9 Add new owner 88 R59770091 DP 1500 06 01 2009 ...
Page 126: ...12 Servicing 122 R59770091 DP 1500 06 01 2009 ...
Page 142: ...13 Removal and installation of projector covers 138 R59770091 DP 1500 06 01 2009 ...
Page 143: ...A Specifications A SPECIFICATIONS R59770091 DP 1500 06 01 2009 139 ...
Page 144: ...A Specifications 140 R59770091 DP 1500 06 01 2009 ...
Page 146: ...A Specifications 142 R59770091 DP 1500 06 01 2009 ...
Page 154: ...C Pin configurations 150 R59770091 DP 1500 06 01 2009 ...
Page 155: ...D Order info D ORDER INFO R59770091 DP 1500 06 01 2009 151 ...
Page 156: ...D Order info 152 R59770091 DP 1500 06 01 2009 ...
Page 158: ...D Order info 154 R59770091 DP 1500 06 01 2009 ...