Each installment features a photographer discussing a piece of equipment they can't do without—and a photograph they couldn't capture without it.

Photographer: Lewis Kemper

Equipment: Canon EF 24-105mm f/4L IS II USM

If I were getting dropped off in a foreign country and told I could only bring one lens, I would choose the Canon 24-105mm; f/4L IS II USM. Granted I wouldn’t be taking any epic close up wildlife images with this lens. But the sheer versatility of the wide-angle capabilities on one end, to the perfect portrait focal lengths on the other end, this lens will allow me to take 85% of the images I would want to capture in most locations. It is ideal for travel allowing you to take the broad landscape of your surroundings and the intimate portraits of the people you meet.