The job of a camera bag is to protect the camera inside it, be it a digital Single Lens Reflex camera or a High Definition video camera. Both are expensive and delicate, so in order to protect them and also to carry them around as you tour, you would need something that is weatherproof, durable and shockproof.
There are particular places where each of the attributes of your bag will be tested, for example, if you are shooting the exotic animals found in the rainforest of the Amazon in South America then one thing which you would need to protect your camera from is rainwater. The need for your bag to be waterproof is thus obvious. If you are shooting Polar Bears, then you will need your bag to be impervious to snow and cold. Similarly, other elements like heat, dust, sand and humidity will also harm your cameras and other sensitive technological equipments if the bag you are carrying them in is not totally weatherproof.
The other common thing to protect your delicate video and still photography paraphernalia from is of course shock. If your bag is not properly padded to protect your equipments from accidental shocks then they can be damaged in so many ways. The fragile lenses can collide with each other or other harder equipments to be cracked or you can simply drop the bag accidentally. There are countless ways through which your sensitive equipments can come to physical harm, therefore the wise thing to do would be to buy a camera bag that provides not only external safety through outer padding but also inter compartmental padding inside the bag. Foam pads works best when it comes to protecting expensive photography items. Tight fit ensures that the items do not clash into each other when you move and that is why buying a camera bag made especially for the type of equipments that you own is advised.
As video cameras DSLR cameras, lenses, etc are all costly items; therefore the chances of thieves and burglars targeting your equipments are pretty high. In order to avoid such hazards, manufacturers like Crumpler bags are creating products these days that resemble a lunch bag or an ordinary backpack rather than something that contains an expensive piece of equipment in it.
The need of storage for a user may vary with his/her purpose as professionals will not be satisfied with the same storage space that would perhaps satisfy a beginner and the same could prove to be excess for a personal user. Separate and cushioned compartments for everything right from the camera to the laptop are essential for a professional. Ease of transport through padded shoulder straps, belt straps and hand grip should be present for a camera person may have to travel or climb or run while he is in the heart of nature. A beginner would need more or less the same type of a bag that a pro needs but it will probably be much lighter and smaller as he would probably not have so much to carry. A pouch bag suited to the model of the camera that you own should be all that you need if you only tend to photograph when you are in a social gathering or out on a vacation.
Author Resource:
Jack Ngar is an author writing about Digital Cameras related topics, and you are invited to visit his website covering number of aspects about camera bags and digital photography http://www.wholesalecameras.net