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