The cameras are expensive devices which could easily be damaged, especially when exposed to water and moisture. If you spent a lot of money buying your camera, then it is logical that protect it from harm. Most people are hesitant about buying bags and cases for cameras, because they see it as an unnecessary expense. However, there are plenty of good reasons why you need camera cases and bags.
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Most people simply carry their cameras inside your purse or backpack. You may feel that this is adequate protection for your camera and placed it in a separate compartment in the bag. But what if it is outdoors and suddenly it rains? The camera inside your bag will not be protected from rain. Once the camera is wet then you might as well say goodbye to hard earned money spent for it.
Bags and cases cameras are important because they protect the chamber water and moisture. They are especially useful when traveling by boat or spend the day at the beach. You never know when an accident could happen and your bag could accidentally fall into the water. If the cameras are protected bags and cases that are waterproof camera then you do not have to worry about water damage.