Canon EF 70-200mm f/4L IS USM

Canon EF 70-200mm f/4L IS USM Lens Lens • Lens Type: L-Series Telephoto Zoom Lens • Lens Mount: Canon EF Mount • Compatible Format: Full-Frame • Focal Length: 70–200mm • Maximum Aperture: Constant f/4 throughout the zoom range • Minimum Aperture: f/32 • Lens Construction: 20 Elements in 15 Groups • Diaphragm Blades: 8-Blade Circular Aperture • Image Stabilizer: Yes • Marketed: November 2006 Optical Design • Lens Construction: 20 Elements in 15 Groups • Fluorite Element: 1 • UD (Ultra-Low Dispersion) Elements: 2 • Optimized Lens Positioning: Helps minimize ghosting and flare • Optimized Lens Coating: Designed to maintain excellent colour balance while reducing ghosting and flare Image Stabilization • Optical Image Stabilizer: Yes • IS Effectiveness: Approx. 4 Stops • Image Stabilization: Designed to provide an effect equivalent to using a shutter speed approximately four stops faster Autofocus & Focusing • AF Drive: USM (Ultrasonic Motor) • Autofocus: Supported • Full-Time Manual Focus: Supported • Closest Focusing Distance: 1.2m / 3.94 ft. • Maximum Magnification: 0.21× Aperture • Maximum Aperture: f/4 • Maximum Aperture Across Zoom Range: Constant f/4 • Minimum Aperture: f/32 • Diaphragm Blades: 8 • Circular Aperture: Yes Filter • Filter Diameter: 67mm • Filter Type: Front Screw-In Construction & Protection • Canon L-Series: Yes • Dust-Resistant Construction: Yes • Moisture-Resistant Construction: Yes • Compact & Lightweight Telephoto Zoom Design: Yes Dimensions & Weight • Maximum Diameter: Approx. 76mm • Length: Approx. 172mm • Dimensions: Approx. Ø76 × 172mm • Weight: Approx. 760g