As another Digital SLR Camera enemies moisture attacks cameras in numerous ways and has the ability to quickly end the life of them keep your cameras out of water including toilets, baths, rivers, sea or condensing water and always be aware of where you put it and avoid to put the camera in the humid places. When moving between different temperatures it is suggested to put especially DSLR camera in a sealed plastic bag and to absorb moisture in the camera bag silica gel packs can help to do this.
Salt water is very dangerous Digital SLR Camera when getting into the camera, lenses or the other parts may causing corrosion. Beware while shooting in the salty places, wipe and clean the camera at least once a day and use UV filters on your lenses to give an extra level of protection especially to DSLR.
As much as you can not to change batteries, memory cards or lenses, and , keep your camera safely in your camera bag when you are not shooting.
Often with contains of chemicals the oily Sunscreen and Insect Repellent are also the Digital SLR Camera enemies and harmful for the camera, keep it come into contact with the camera by washing your hands in fresh water after applying sunscreen and repellent.