Shimoda Core Unit Large DSLR v3Shimoda Core Unit Large DSLR v3 The Large DSLR Core Unit v3 integrates seamlessly with the side access of the Action X40, X50 and Explore 35 backpacks. It will also fit in the X70 backpack, as well as the Carry On and DV rollers. The Large Core Unit will max out the internal storage of the Action X40, X50, Explore 35 and the Carry On Roller. It includes all the popular features of our Core Unit system, including EVA laminated dividers and sidewalls, a