Err 01 - Communications between the camera and lens is faulty. Clean the lens contacts
is there any remedy?, ive notice that if i shoot it on a bright subject mag error siya but for less or well-lighted maka tira...
ive dig arround its has something to do with the aperture, not sure though... but it started during sinulog unya ni grabe pag last saturday...
Camera: Canon 1100D (i upgraded the firmware last week also)
Lens: Sigma 18-200mm f/3.5-6.3 II DC OS HSM
this lens has been with me all though my travel from negros to sumilon to camiguin to palawan... from sinulog to buglasan to ironman race