I've just travelled to and from the Maldives using the pro tactic. It was fully loaded and carried everything bar my arms. It was around 12kg and took the weight easily (unlike my body). I much preferred it to my normal carry on suitcase but the weight certainly should be considered as the picking up and putting down is a pain especially in lifts, transfers etc Nauticam na-r7 housing N100 flat port wwl1b 18-45 lens Zoom gear 7 clamps Vac pump 2 retro pro max (plus two diffusers) 16 aa batteries 2 camera batteries 2 aa chargers 1 Torch battery Phone charger Cables Etc (happy to take a pic loaded if it helps)