Head on over to Submarines and Sewing Machines with Gemma, to learn 7 ways you can create depth of field in your photos. Depth of field refers to how much of your photo is in focus. You know those lovely portraits with a creamy, blurry background? Gemma will show a variety of ways to play with this, both in camera and with photo editing, so you can create blurry backgrounds, where only your main subject is in focus. Some of her tips are applicable to phone and compact cameras too, so everyone can play around with this effect.