Throw distance
BenQ W1800 throw distance for a 120-inch screen
The BenQ W1800 must sit 9.8–12.7 ft from a 120-inch (16:9) screen, based on its 1.13–1.46 throw ratio.
Quick answer
The BenQ W1800 must sit 9.8–12.7 ft from a 120-inch (16:9) screen, based on its 1.13–1.46 throw ratio.
Will it be bright enough?
At 120 inches the BenQ W1800 delivers roughly 47 foot-lamberts (rated). That holds up against some ambient light.
Throw-distance calculator
BenQ W1800 — distance for a 120″ screen
9.8–12.7 ft
Lens-to-screen distance. Zoom (if any) lets you fine-tune within the range.
Throw distance at nearby sizes
Which screen?
Pair the BenQ W1800 with a screen sized to your room — and an ALR or CLR surface if you have ambient light.
Frequently asked questions
The BenQ W1800 must sit 9.8–12.7 ft from a 120-inch screen, from its 1.13–1.46 throw ratio.
On a 120-inch screen the BenQ W1800 is fine with some ambient light.
For a 120-inch screen the BenQ W1800 sits at least 9.8 ft away at its widest zoom.
A 120-inch 16:9 screen measures 105″ wide and 59″ tall.
Want a different screen size? Use the calculator to get the exact distance.
Open the calculator →Updated