How to Edit Live Photos on Your iPhone

Live photos are basically three second movie files—3D press the photo and watch it move. The cool thing, though, is you can edit them in the Photos app just like they were any other photo. Here’s how to edit your live photos, as well as change the key photo and video length, and convert them to different formats.

What is Focal Length in Photography?

In photography, we use focal length as a primary descriptor of lenses. It’s the measure (in millimeters) of the distance between the rear nodal point and the focal point of the lens, while the lens is focused to infinity. Yep, that’s quite a mouthful, so let’s break it down.