Lens Formulas - Barco DP2K-32B Installation Manual

5. Lenses & lens holder
5.3

Lens formulas

Formulas
Lens
1,2" DC2K Zoom (1,25–1,45:1)
1,2" DC2K Zoom (1,45–2,05:1)
1,2" DC2K Zoom (1,6–2,35:1)
1,2" DC2K Zoom (1,8–2,8:1)
1,2" DC2K Zoom (2,15–3,6:1)
1,2" DC2K Zoom (2,8–5,5:1)
PD : Minimum distance between projector and screen. PD
min
Width.
Due to production tolerances the real distances can differ by 2% from these calculated values.
For critical situations (fixed installs that use the lens at one of its extreme zoom positions) this should be
taken into account.
54
Throw ratio for 1,2" DC2K Zoom
1,25- 1,45
1,45 - 2,05
1,6 - 2,35
1,8 - 2,8
2,15 - 3,6
2,8 - 5,5
: Maximum distance between projector and screen. SW: Screen
max
Formulas
PD =1,25 x SW
min
PD =1,45 x SW
max
PD =1,45 x SW
min
PD =2,05 x SW
max
PD =1,60 x SW
min
PD =2,35 x SW
max
PD =1,8 x SW
min
PD =2,8 x SW
max
PD =2,15 x SW
min
PD =3,6 x SW
max
PD =2,8 x SW
min
PD =5,5 x SW
max
R59770491 DP2K-32B 30/04/2010