Film sensitivity (ISO/DIN)	Meters	Feet
6/9�	15	46
8/10�	17	49
10/11�	19	62
12/12�	21	70
16/13�	24	78
20/14�	27	88
25/15�	30	99
32/16�	34	111
40/17�	38	124
50/18�	42	139
64/19�	48	156
80/20�	53	176
100/21�	60	197
125/22�	67	221
160/23�	76	248
200/24�	85	278
250/25�	95	312
320/26�	107	350
400/27�	120	393
500/28�	134	441
650/29�	151	495
800/30�	169	555
1000/31�	190	623
1250/32�	213	699
1600/33�	239	784
2000/34�	268	880
2500/35�	301	987
3200/36�	337	1108