Okay, im very new to the strobist community, and the other day i went out and shot with my 85 1.8 and OCF setup which is a vivitartriggered by catcus v5... but it seems i was unable to shoot at 1.8.. i didnt know this because i shoot a 1.4 wit hmy old 50 inall the time with the OCF! do i need a ND filter? how many stops ? what do i do can anyone explain? my 50L is coming in and i want to do strobist outside and see the flash working... it was washed out with ambient light :/ but i want nice bokeh too lol... explain to thy nub.


