Canon LV-7255 manual Relationship between Screen Size and Projection distance

7. Appendix

￿Relationship between Screen Size and Projection distance

Screen size at 4:3				Zoomed projection				Screen size at 16:9
aspect ratio				distance		H1	H2	aspect ratio
W x D (cm)				Max.	Min.			W x D (cm)
25"	51	x	38	-	0.9m	34cm	4cm	23"	51	x	29
					(3.1')	(1.1')	(0.1')
30"	61	x	46	-	1.1m	41cm	5cm	28"	61	x	34
					(3.8')	(1.4')	(0.2')
40"	81	x	61	1.0m	1.5m	55cm	6cm	37"	81	x	46
				(3.2')	(5.1')	(1.8')	(0.2')
50"	102	x	76	1.2m	1.9m	69cm	8cm	46"	102	x	57
				(4.1')	(6.4')	(2.3')	(0.3')
60"	122	x	91	1.5m	2.3m	82cm	9cm	55"	122	x	69
				(4.9')	(7.7')	(2.7')	(0.3')
70"	142	x	107	1.7m	2.7m	96cm	11cm	64"	142	x	80
				(5.8')	(9.0')	(3.2')	(0.4')
80"	163	x	122	2.0m	3.1m	110cm	12cm	73"	163	x	91
				(6.6')	(10.3')	(3.6')	(0.4')
90"	183	x	137	2.3m	3.5m	123cm	14cm	83"	183	x	103
				(7.4')	(11.6')	(4.1')	(0.5')
100"	203	x	152	2.5m	3.9m	137cm	15cm	92"	203	x	114
				(8.3')	(12.9')	(4.5')	(0.5')
110"	224	x	168	2.8m	4.3m	151cm	17cm	101"	224	x	126
				(9.1')	(14.2')	(5.0')	(0.6')
120"	244	x	183	3.0m	4.7m	165cm	18cm	110"	244	x	137
				(9.9')	(15.5')	(5.4')	(0.6')
130"	264	x	198	3.3m	5.1m	178cm	20cm	119"	264	x	149
				(10.8')	(16.8')	(5.9')	(0.7')
140"	284	x	213	3.5m	5.5m	192cm	21cm	129"	284	x	160
				(11.6')	(18.1')	(6.3')	(0.7')
150"	305	x	229	3.8m	5.9m	206cm	23cm	138"	305	x	171
				(12.4')	(19.4')	(6.8')	(0.8')
160"	325	x	244	4.0m	6.3m	219cm	24cm	147"	325	x	183
				(13.3')	(20.7')	(7.2')	(0.8')
170"	345	x	259	4.3m	6.7m	233cm	26cm	156"	345	x	194
				(14.1')	(22.0')	(7.7')	(0.9')
176"	358	x	268	4.4m	6.9m	241cm	27cm	162"	358	x	201
				(14.6')	(22.8')	(8.0')	(0.9')
180"	366	x	274	4.5m	7.1m	247cm	27cm	165"	366	x	206
				(14.9')	(23.3')	(8.1')	(0.9')
190"	386	x	290	4.8m	7.5m	261cm	29cm	174"	386	x	217
				(15.8')	(24.6')	(8.6')	(1.0')
200"	406	x	305	5.0m	-	274cm	31cm	184"	406	x	229
				(16.6')		(9.1')	(1.0')
210"	427	x	320	5.3m	-	288cm	32cm	193"	427	x	240
				(17.5')		(9.5')	(1.1')
220"	447	x	335	5.5m	-	302cm	34cm	202"	447	x	251
				(18.3')		(10.0')	(1.1')
230"	467	x	351	5.8m	-	315cm	35cm	211"	467	x	263
				(19.1')		(10.4')	(1.2')
240"	488	x	366	6.0m	-	329cm	37cm	220"	488	x	274
				(20.0')		(10.9')	(1.2')
250"	508	x	381	6.3m	-	343cm	38cm	229"	508	x	286
				(20.8')		(11.3')	(1.3')
260"	528	x	396	6.6m	-	357cm	40cm	239"	528	x	297
				(21.6')		(11.8')	(1.3')
270"	549	x	411	6.8m	-	370cm	41cm	248"	549	x	309
				(22.5')		(12.2')	(1.4')
280"	569	x	427	7.1m	-	384cm	43cm	257"	569	x	320
				(23.3')		(12.7')	(1.4')
290"	589	x	442	7.3m	-	398cm	44cm	266"	589	x	331
				(24.1')		(13.1')	(1.5')
300"	610	x	457	7.6m	-	411cm	46cm	275"	610	x	343
				(25.0')		(13.6')	(1.5')

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