Canon 580EX instruction manual Manual Flash GNo, 1IT

Guide No . (G No .) (ISO 100, in meters/feet)

Normal Flash (Full Output) and Quick Flash {GNo.}

Flash Coverage (mm)	14	24	2B	3n 1	50	70	80		105
Normal Flash	15~	23:	30.~	36 .	42+'	501	531		581
{Full output]	119 .2	91 .3	98 .4	118 .1	137 .8	164	173	.9	10 .3
Quick Flash		Same as 1!2 to T16 manual flash output

Manual Flash (GNo .)

Flash Qutput	14	~	24			Flash Coverage (mm)
					28	35	50		7D		80		105
1IT	151		281	~	301'	36~	421		501		53.1		1 58 :
	49.2		91 .9		98 .4	1 F 8.1	137 .8		164		173 .9		90 .3
` 712	10.81		19 .81		2121	25 .51	29 .71		35	.4.'	37.5 .'		41 :
	34 .8		65		69.8	83.7	97	.4	116-1		123		134 .5
114	7~5!		14.E		151	18'	211,		251		26.51		29'
	24 .6		45 .9		49 .2	59.1	68	.9	82		86	.9	95.1
118	5-3+		9 .91		10-6/	12 .71	14 .8 .E		17	.71	18 .7/		20 .5.E
	17 .4		32 .5		34 .8	45 .7	48	.6	58.1		61	.4	67.3
1116	3 .8i		71		7 .51	;31	10 .51		12	.51	13 .3.E		14 .5f
	12 .5		23		24 .6	29.5	34	.4	41		43	.6	47.6
1132	2~7i I		4 .9i		5.31	6 .4.+	7 .41		8 .81		9 .4:		10 .31
	8.9		16.1		17 .4	21	24	.3	28	.9	30	.8	33.8
1l64	1 .91		3 .51		3.81	4 .51	5 .31		6 .31		6 .E1		7 .8~
	6.2		11 .5		12 .5	14.8	17	.4	20	.7	21	.7	2,1
71128	1 .31		2 .51		2 .7i	3 .2,	3.7 :		4.4:		4 .71		5 .11
	43		8.2		3 .9	10.5	12.1		14	.4	15	.4	i6 .7

52