judeseah said:mine is the 3102 M only.
went to downgrade my firmware in J&J for the other M2 leg.
under auto mode,
if ambient dark, camera will set 1/60 f4,
if bright then its according to ambient and flash just fill.
hope that answer ur question.
no e-ttl2, but can have e-ttl.
10D, 300D, eos 3 and eos 30 works.
jude
you mean can downgrade the firmware from 3102 m2? to what? and after downgrade can use ettl on 10d? how much j&j charge? thanks.