Especially when using the default iPhone Camera app, which doesn't include any ISO controls. When getting into more complex photography, though, it's a basic setting you really need to know.

So, let's rewind: what is ISO in photography in terms of analog shooting? Camera film comes in different speeds, with a higher ISO rating equating to a ‘faster’ film – which means it is more ...

Most people looking up for tonight's lunar eclipse will probably only have a smartphone to snap a photo. Here are tips for getting the best pictures.