BenQ MP511 user manual Screen Diagonal, Screen Center of lens Projection distance

4:3 Screen Diagonal

Offset

Screen

Center of lens

Projection distance

4:3 Screen Diagonal			Recommended projection distance	Vertical Offset in mm
Feet	Inches	mm	from screen in mm
2.5	30	762	1200	46
3	36	914	1440	55
		1000	1575	60
4	48	1219	1920	73
		1500	2362	88
5	60	1524	2400	91
6	72	1829	2880	110
		2000	3149	120
7	84	2134	3360	128
8	96	2438	3840	146
		2500	3937	150
9	108	2743	4320	165
		3000	4724	180
10	120	3048	4800	183
		3500	5512	209
12	144	3658	5760	219
		4000	6299	239
15	180	4572	7200	274
		5000	7874	299
16.7	200	5080	8000	305

There is 3% tolerance among these numbers due to optical component variations. BenQ recommends that if you intend to permanently install the projector, you should physically test the projection size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this projector's optical characteristics. This will help you determine the exact mounting position so that it best suits your installation location.

Positioning your projector 19