The NP08ZL was used to project a 140-inch diagonal image from about 18 feet projector-screen distance, while the NP09ZL was used to project a 140-inch diagonal image from about 30 feet projector-screen distance.
The NP4001 does not come with a lens. However, NEC offers five optional lens options for use with different size screens and projector-to-screen distances. The lenses can be ordered from NEC or authorized distributors.
The lens options available for the NP4001, with specifications, are as follows:
1. NP06FL: Fixed throw lens (no zoom) Power focus, Throw ratio 0.77:1, F2.0, f=11.4 mm - Listed Price: $2,999.
2. NP07ZL: Power zoom and focus, Throw ratio 1.33-1.79:1, F1.8-2.3, f=19.3-25.8 mm - Listed Price: $2,499.
3. NP08ZL: Power zoom and focus, Throw ratio 1.78-2.35:1, F1.7-1.9, f=26-34 mm - Listed Price: $1,999.
4. NP09ZL: Power zoom and focus, Throw ratio 2.22-4.43:1, F2.1-2.9, f=32-63 mm Listed Price: $2,499.
5. NP10ZL: Power zoom and focus, Throw ratio 4.43-8.3:1, F2.2- 3.1, f=63.5-117.4 mm Listed Price: $2,499.
To put the above specifications in simplier terms, the NP06FL lens can used for screen sizes ranging from 50 to 200 inches (measured diagonally with 16x9 aspect ratio), while the NP07ZL, NP08ZL, NP09ZL, and NP10ZL can be used from screen sizes from 40 to 500 inches (also measured diagonally with 16x9 aspect ratio). The choice of lens will depend on the projector to screen distances needed to produce the screen images within the listed size ranges. A table included in the NP4001 user manual aids in this decision.
The lenses provided by NEC for this review were the NP08ZL, which is pictured on this page and the NP09ZL, which is viewable by proceeding to the next page in this gallery.