The 'trinity of lenses' is often used to describe the three must-have zoom lenses in every photographer's bag: 16-35mm, 24-70mm and 70-200mm. Join Kelvin as he shares his experiences with Sony's G Master Trinity, and how they have become a mainstay of his photo shoots, be it portraitures or simply, everyday subjects. Watch him demonstrate how these lenses bring out the best in his Sony Alpha system, and get a chance to try them for yourself too.