Digital Projection E-Vision Laser 13000 WU Series, Инструкция по установке и быстрому запуску

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Digital Projection Ltd. E-Vision Laser 13000 WU Series Choosing a lens
Choosing a lens
Throw distance
calculations are based on
the distance from the outer
end of the lens, which
varies from lens to lens.
The lens extension is the
distance between the front
of the projector chassis
and the outer end of the
lens when it is fully
extended.
Refer to the projector CAD
drawings for individual
lens extension figures.
The 0.377 : 1 fixed lens
has no adjustable shift
value. However, the lens
has an inherent offset
depending on image size.
See the UST
documentation published
separately on the Digital
Projection website.
The 0.75 - 0.93 : 1 zoom
lens has a feature that
permits focus correction
for curved screens. The
front ring of the lens is a
manual control that
provides focus curvature
adjustment to correct for
the different focal
distances between center
and corner.
A number of lenses are available. Which lens you choose depends on the screen size, image aspect ratio, throw distance and light output.
The following table shows all available lenses in order of their throw ratios:
Throw Ratio Focus Range Lens Shift Part Number
0.377 : 1 fixed (UST) 0.82 m - 2.71 m Depends on image size, see UST Lens Installation Guide (separate document) 117-341
0.75 - 0.93 : 1 zoom 1.02 m - 12.7 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
115-339
0.76 : 1 fixed 0.81 m - 5.08 m none 112-499
1.25 - 1.79 : 1 zoom 1.33 m - 11.73 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
112-500
1.73 - 2.27 : 1 zoom 1.83 m - 14.9 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
112-501
2.22 - 3.67 : 1 zoom 2.36 m - 24.2 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
112-502
3.58 - 5.38 : 1 zoom 3.8 m - 35.35 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
112-503
5.31 - 8.26 : 1 zoom 5.59 m - 54.8 m
V: 0.5 (U) 0.3 (D) frame
H: 0.1 (L) 0.2 (R) frame
112-504
To choose a lens, calculate the throw ratio required. Allow a tolerance of +/- 3% in the throw ratio calculation.
Rev A June 2019
page 94
Reference Guide
Notes