There's certainly an art to portrait photography, and even more so to taking portraits of children. Photographing entire families (or other large groups) comes with its own set of challenges but can also be incredibly rewarding. Today's mobile society can make it hard to gather the family together (let alone extended family members), so when it happens that everyone's in the same place at the same time, it's even more important to immortalize the moment.

PARIS—“We’ll see what Roger gives us,” Manuela Davies says. The 42-year-old German-turned-Floridian trains her big, light-gray Canon on Roger Federer as he gets set to serve. Federer has reached the second-most-important moment of a match for a professional tennis photographer like Davies: set point. He’s trying to close one out against Gael Monfils in their quarterfinal on Court Philippe Chatrier.

This is one of the most important decisions you'll have to make in your entire life and as a bride or groom, it can have a huge bearing on whether your special day will be one to remember for all the right reasons.