LEICA DG MACRO-ELMARIT 45mm/F2.8 ASPH./MEGA O.I.S. This F2.8 45mm (35mm camera equivalent: 90mm) macro lens with built-in image stabilizer lets you take close-ups that capture your subjects in their actual size. It also greatly boosts mobility by serving as a medium-length telephoto lens for portraits, telephoto snapshots and landscapes.