This 'L' series lens is Canon's first mid-telephoto macro lens to include its sophisticated Image Stabilization. With the highest quality optics available, combined with near-silent Ultrasonic focusing and life-size close-up capabilities without an adapter, the EF 100mm f/2.8L Macro IS USM is simply unrivalled.
Focal Length & Maximum Aperture: 100mm 1:2.8
Lens Construction:15 elements in 12 groups
Diagonal Angle of View: 23.4 degrees
Focus Adjustment: Inner focusing system with USM. Full-time manual focus available.