Unless your camera has high shutter speeds like 1/4000, 1/8000, using Press 800 outdoors might prove to be difficult. Especially if you don't have proper highspeed flash sync.
Depends. For maximal flexibility carry both and load appropriate film according to situation. You can use a ND filter in bright outdoor conditions as well.
Originally posted by igpenguin Depends. For maximal flexibility carry both and load appropriate film according to situation. You can use a ND filter in bright outdoor conditions as well.