I read up and found out somethings i need to know but i need some specific answer from the experienced travellers here.
Going australia so i am going to hand carry my gear onboard the plane.
bring in alkaline batts ( inside flash and spares)
bring in rechageable ones
bring in a giottos mt9350 (ballhead in luggage oc)
whats the max amount of gear you guys ever hand carry ( in backpack or what not?)