A compact & lightweight flashgun the Sunpak PF30X for Canon DSLRs is fully compatible with the E-TTL-II metering system. Requiring only two AA batteries as its power source the PF30X is up to 40% smaller in size & 70g lighter in comparison with similar guns with comparable output & features making it an ideal addition to todays smaller DSLR cameras. Amongst the features the Sunpak PF30X boasts a guide number of 30, a 90 degree bounce head, +/-1.5EV adjustment & an AF Assist light for low light conditions.