BenQ MX812ST, MW811ST user manual B1 a, B2 a

B1 (a)

(c)

Screen

Center of lens

(b)

B2 (a)	Screen
	Center of lens
	(c)
	(b)

Table B1: The screen aspect ratio is 4:3 and the projected picture is 4:3

	(a) Screen size			Projected picture size		(b) Distance	(c) Vertical
Diagonal		Height	Width	Height	Width	from screen	offset
Inches	mm	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
50	1270	762	1016	762	1016	596	57
80	2032	1219	1626	1219	1626	953	91
100	2540	1524	2032	1524	2032	1192	114
120	3048	1829	2438	1829	2438	1430	137
150	3810	2286	3048	2286	3048	1787	171
180	4572	2743	3658	2743	3658	2145	206
200	5080	3048	4064	3048	4064	2383	229
220	5588	3353	4470	3353	4470	2622	251
240	6096	3658	4877	3658	4877	2860	274
270	6858	4115	5486	4115	5486	3217	309
300	7620	4572	6096	4572	6096	3575	343
Table B2: The screen aspect ratio is 4:3 and the projected picture is 16:10
	(a) Screen size			Projected picture size		(b) Distance	(c) Vertical
Diagonal		Height	Width	Height	Width	from screen	offset
		(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
50	1270	762	1016	635	1016	497	32
80	2032	1219	1626	1016	1626	794	51
100	2540	1524	2032	1270	2032	993	64
120	3048	1829	2438	1524	2438	1192	76
150	3810	2286	3048	1905	3048	1490	95
180	4572	2743	3658	2286	3658	1787	114
200	5080	3048	4064	2540	4064	1986	127
220	5588	3353	4470	2794	4470	2185	140
240	6096	3658	4877	3048	4877	2383	152
270	6858	4115	5486	3429	5486	2681	171
300	7620	4572	6096	3810	6096	2979	191

Positioning your projector 17