The camera bag has a waterproof and dustproof function, which can protect the camera and lens from damage in the event of rain, snow or dust. Some camera bags have anti-theft zippers or a back opening design to prevent the camera and lens from being stolen. There are dedicated pockets or straps for securing the tripod, making it easy to use when needed.

Camera bags usually have pads and adjustable partitions inside, which can be adjusted according to the shape of the camera and lens to protect the equipment from collisions and scratches.