There are lots of photographic backpacks available these days, with some designed to carry long lenses and lots of kit into the wild, and others that are split to allow you to carry your camera gear in a padded section and personal stuff in another, making them ideal for commuting or a day out with the family.
It is of course tempting to invest your money in a backpack that can take all of your gear, but there will often be times when you want to carry less, so a smaller bag may be more practical.
Whatever size backpack you plan to buy, there are a few things to look out for,
