Canon - 70 mm to 200 mmf/4 - Telephoto Zoom Lens for Canon EFDesigned for photographers who demand premium performance in a portable telephoto zoom, the Canon EF 70 200mm f 4L IS II USM blends exceptional sharpness, reliable stabilization, and rugged durability in a compact, travel friendly package. This L series lens features a constant f 4 aperture across the 70200mm range, ensuring consistent exposure and smooth background separation whether youre portrait shooting at 70mm or capturing distant action at