Megapixel count is a much-touted feature in many modern cameras, and it's especially important when making prints. But how many megapixels do you really need?

Do you need a filter for your lens or is it just added expense? And why does there seem to be 50 different types of filters? We discuss filter types, what they do, and why you should probably have one.

Taking your flash off-camera can unlock a wide array of possiblities that are not achievable otherwise. We take a look at what off-camera flash is, how you can acheive it, and important flash positions.