Proxima ASA 4100/4200 - Manual (Page 79)

A-2 Appendix A
Screen Size (Diagonal) 2.9 ft. (0.9m) to 25.5 ft. (7.8m)
Projection Distance 5 ft. (1.5m) to 30 ft. (9.1m) from screen
Lamp 270 watt metal Halide
Replaceable lamp indicator light
Lamp life 400 hours