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The main performance
• positioning of the lens: 135mm full frame lens
• Lens use: telephoto lens
• Lens Type: Zoom
• Lens Construction: 12 group 18
• Lens mount: Canon EF mount
• Zoom: telescopic lens
• Filter size: 58mm
• Drive motor: USM
• Hood: ET-65B
Optical parameters
• Maximum aperture: F4.5
• Minimum Aperture: F32-F38
• Number of diaphragm blades: 6
• The focus range :70-300mm
• Closest focusing distance: 1.4m
• Maximum Magnification: 0.19 times
• Viewing angle: Horizontal: 29 degrees -6 degrees 50 minutes
Vertical: 19 degrees 30 minutes -4 degrees 35 minutes
Diagonal: 34 degrees -8 degrees 15 minutes
Other parameters
• Lens diameter: 82.4 mm
• The lens length: 99.9mm
• Lens Weight: 720g
• Product features: three-layer diffractive optical element (DO element) and a glass grinding aspherical lens, greatly reduced the size and weight of the lens, also has comparable imaging quality and L lens. Built-in image stabilizer, equivalent to increases in third gear shutter speed. And the optimized lens coating greatly inhibited the digital camera prone to ghosting and flare.