BenQ PE8720 manual Projector Installation and Throw Distance Chart, Installation for a 43 screen

Projector Installation and Throw Distance Chart

Installation for a 16:9 screen

Ceiling Installation
		Ceiling
Diagonal		Projection Distance
	Offset
	Height	Center of the lens
		Screen

Floor Installation
Diagonal
	Screen
Height	Center of the lens
Offset	Projection Distance
		Floor

16:9 (widescreen) ratio screen dimension table

Screen Dimensions (inch / cm)			Projection Distance (inch / cm)		Offset (inch / cm)
Diagonal	Width	Height	Min distance	Max distance	Upper	Lower
			(with max zoom)	(with min zoom)
50 / 127	44 / 111	25 / 62	78 / 199	106 / 270	2.5 / 6.2	-27.0 / -68.5
60 / 152	52 / 133	29 / 75	94 / 239	128 / 324	2.9 / 7.5	-32.4 / -82.2
70 / 178	61 / 155	34 / 87	110 / 279	149 / 379	3.4 / 8.7	-37.8 / -95.9
80 / 203	70 / 177	39 / 100	126 / 319	171 / 433	3.9 / 10.0	-43.1 / -109.6
90 / 229	78 / 199	44 / 112	141 / 359	192 / 487	4.4 / 11.2	-48.5 / -123.3
100 / 254	87 / 221	49 / 125	156 / 400	213 / 541	4.9 / 12.5	-53.9 / -137.0
110 / 279	96 / 244	54 / 137	172 / 438	234 / 595	5.4 / 13.7	-59.3 / -150.7
120 / 305	105 / 266	59 / 149	188 / 478	256 / 649	5.9 / 14.9	-64.7 / -164.4
130 / 325	113 / 288	64 / 162	204 / 518	277 / 703	6.4 / 16.2	-70.1 / -178.1
140 / 356	122 / 310	69 / 174	220 / 558	298 / 757	6.9 / 17.4	-75.5 / -191.8
150 / 381	131 / 332	74 / 187	235 / 598	319 / 811	7.4 / 18.7	-80.9 / -205.5
160 / 406	139 / 354	78 / 199	251 / 638	341 / 865	7.8 / 19.9	-86.3 / -219.2
170 / 432	148 / 376	83 / 212	267 / 677	362 / 919	8.3 / 21.2	-91.7 / -232.9
180 / 457	157 / 398	88 / 224	282 / 717	383 / 973	8.8 / 22.4	-97.1 / -246.6
190 / 483	166 / 421	93 / 237	298 / 757	405 / 1028	9.3 / 23.7	-102.5 / -260.3
200 / 508	174 / 443	98 / 249	314 / 797	426 / 1082	9.8 / 24.9	-107.9 / -274.0
250 / 635	218 / 553	123 / 311	392 / 996	532 / 1352	12.3 / 31.1	-134.8 / -342.4
300 / 762	261 / 664	147 / 374	471 / 1195	639 / 1622	14.7 / 37.4	-161.8 / -410.9

Installation for a 4:3 screen

Installation for a 4:3 ratio screen

Ceiling Installation Ceiling

Diagonal	Projection Distance
	Offset
	Center of the lens
	Screen
	Image Height

Floor Installation

Diagonal

Image Height

Screen

Center of the lens

Offset

Projection Distance

Floor

4:3 (standard) ratio screen dimension table:

Screen Dimensions (inch / cm)			Projection Distance (inch / cm)		Offset (inch / cm)
Diagonal	Width	Height	Min distance	Max distance	Upper	Lower
			(with max zoom)	(with min zoom)
50 / 127	40 / 102	30 / 76	72 / 184	98 / 249	3.0 / 7.6	- 33.0 / -83.8
60 / 152	48 / 122	36 / 91	87 / 221	117 / 298	3.6 / 9.1	-39.6 / -100.6
70 / 178	56 / 142	42 / 107	102 / 258	137 / 348	4.2 / 10.7	-46.2 / -117.3
80 / 203	64 / 163	48 / 122	116 / 294	157 / 398	4.8 / 12.2	-52.8 / -134.1
90 / 229	72 / 183	54 / 137	130 / 331	176 / 448	5.4 / 13.7	-59.4 / -150.9
100 / 254	80 / 203	60 / 152	145 / 368	196 / 497	6.0 / 15.2	-66.0 / -167.6
110 / 279	88 / 224	66 / 168	159 / 405	215 / 547	6.6 / 16.8	-72.6 / -184.4
120 / 305	96 / 244	72 / 183	174 / 442	235 / 597	7.2 / 18.3	-79.2 / -201.2
130 / 325	104 / 264	78 / 198	188 / 478	254 / 646	7.8 / 19.8	-85.8 / -217.9
140 / 356	112 / 284	84 / 213	203 / 515	274 / 696	8.4 / 21.3	-92.4 / -234.7
150 / 381	120 / 305	90 / 229	217 / 552	294 / 746	9.0 / 22.9	-99.0 / -251.5
160 / 406	128 / 325	96 / 244	232 / 589	313 / 796	9.6 / 24.4	-105.6 / -268.2
170 / 432	136 / 345	102 / 259	247 / 626	333 / 845	10.2 / 25.9	-112.2 / -285.0
180 / 457	144 / 366	108 / 274	261 / 662	352 / 895	10.8 / 27.4	-118.8 / -301.8
190 / 483	152 / 386	114 / 290	275 / 699	372 / 945	11.4 / 29.0	-125.4 / -318.5
200 / 508	160 / 406	120 / 305	290 / 736	392 / 995	12.0 / 30.5	-132.0 / -335.3
250 / 635	200 / 508	150 / 381	362 / 920	489 / 1243	15.0 / 38.1	-165.0 / -419.1
300 / 762	239 / 610	180 / 457	435 / 1104	587 / 1492	18.0 / 45.7	-198.0 / -502.9

There is 3% ~ 5% tolerance among these numbers due to optical component limits.

* 1 m = 3.28 feet, 1 feet = 0.305 m

4 Projector Installation and Throw Distance Chart