Choosing A Lens; Choosing A Lens - NEC PH1201QL User Manual

Model No. NP-PH1201QL

Choosing A Lens

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 ratios Lens extension
0.91 : 1 Fixed lens 278 mm
1.13 - 1.66 : 1 zoom lens 270 mm
1.30 - 1.85 : 1 zoom lens 225 mm
1.45 - 2.17 : 1 zoom lens 222 mm
1.63 - 2.71 : 1 zoom lens 134 mm
1.95 - 3.26 : 1 zoom lens 137 mm
2.71 - 3.89 : 1 zoom lens 190 mm
3.7 - 5.3 : 1 zoom lens 262 mm
4.8 - 7.4 : 1 zoom lens 308 mm
Reference Guide

CHOOSING A LENS

Notes
For information about individual lens
Appendix A
part numbers, see at
the end of this document.
page 57