NEC NP-PX800X, NP-PX800X2, NP-PX750U2, NP-PX700W2 User Manual
Lens Unit User’s Manual
Model NP31ZL
This manual discusses specifications and focus adjustment for the NP31ZL short focus zoom lens.
For cautions on handling the lens, see the User’s Manual supplied with the lens.
For instructions on mounting, removing, and cleaning the lens, see the User’s Manual supplied with the projector.
NOTE: The drawings in this manual may differ slightly from the actual product.
Specifications
Throw distance (Unit: m)
Projector model name
Screen size (inch) PX750U PX700W PX800X
40” 0.6 - 0.8 0.7 - 0.8 0.6 - 0.8
50” 0.8 - 1.0 0.8 - 1.1 0.8 - 1.0
60” 1.0 - 1.2 1.0 - 1.3 0.9 - 1.2
80” 1.3 - 1.6 1.4 - 1.7 1.3 - 1.6
100” 1.6 - 2.0 1.7 - 2.1 1.6 - 2.0
120” 2.0 - 2.5 2.1 - 2.6 1.9 - 2.4
150” 2.5 - 3.1 2.6 - 3.2 2.4 - 3.0
200” 3.3 - 4.1 3.5 - 4.3 3.2 - 4.0
240” 4.0 - 5.0 4.2 - 5.2 3.9 - 4.9
300” 5.0 - 6.2 5.2 - 6.5 4.8 - 6.1
400” 6.6 - 8.3 7.0 - 8.7 6.5 - 8.1
450” 7.5 - 9.4 7.8 - 9.8 7.3 - 9.1
500” 8.3 - 10.4 8.7 - 10.9 8.1 - 10.2
TIP:
Calculation of the throw distance from the screen size (m)
PX750U: H x 0.75 to H x 0.93 : 0.62 m (min.) to 10.41 m (max.)
PX700W: H x 0.79 to H x 0.98 : 0.65 m (min.) to 10.91 m (max.)
PX800X: H x 0.77 to H x 0.97 : 0.61 m (min.) to 10.16 m (max.)
* “H” (Horizontal) refers to the screen width.
* Figures differ by several % with the table above because the calculation is approximate.
Lens shifting range
Button operations on the projector or on the remote control allow you to move the position of the projected image in
the vertical and horizontal directions based on the following ranges.
Description of symbols: V indicates vertical (height of the projected image), H indicates horizontal (width of the projected image).
For adjusting the lens shift, see the User’s Manual supplied with the projector.
PX750U/PX700W
1V
1H
0.1H 0.1H
0.5V
1V
1H
0.1H 0.1H
0.5V
1V
1H
0.1H 0.1H
0.43V
1V
1H
0.1H 0.1H
0.43V
Desk/front projection
Width of projected image
Height of projected image
Ceiling/front projector
PX800X
Desk/front projection
Width of projected image
Height of projected image
Width of projected image
Height of projected image
Ceiling/front projector
Width of projected image
Height of projected image
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