I post too Much on Here!!
- Jan 29, 2011
Yes it is, equivalence, taken to mean practically identical image characteristics, includes iso. A ff sensor has a 1 and 1/3 stop noise advantage over a Canon APS-C sensor.F/5.6 on a crop is "equivalent" to f/8 on a FF in terms of depth of field, but not in terms of exposure.
So 1/500 sec, f5.6, iso 800 on a Canon crop camera has a ff equivalent of 1/500 sec, f9.0, iso 2,000. At those settings you get essentially identical image characteristic, subject movement, depth of field and noise, and the EV is identical.