- Telephoto extender designed to double Canon EF lens focal length
- Effective aperture is reduced by 2 f/stops
- Weather-resistant and anti-reflective internal construction

- Designed to extend a lenses focal length by a factor of 2x
- Features a built-in microcomputer
- Careful lens placement and coatings
- Minimize ghosting, flare and chromatic aberration
- Fluorine coating - Rugged, dustproof and water-resistant construction
- Compatible with fixed focal length L-series lenses 135mm and over, EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L

- Up to 4 Stops of Image Stabilization
- Superior Image Quality
- Ultra-Low Dispersion UD Glass
- Fluorite & Aspherical Elements
- Super Spectra Multi Coating
- Ultra Sonic Motor - USM
- Constant f/2.8 Maximum Aperture
- Filter Size - 77mm
- Eight Blade Circular Aperture
- Resistant to Dust and Moisture

- EF mount; super telephoto lens 
- Fluorite and Ultra-low Dispersion-glass; internal focusing; full-time manual focus 
- 400mm focal length 
- f/5.6 maximum aperture 
- Micro UltraSonic Motor (USM)

- Features a built-in microcomputer
- Features careful lens placement and coatings
- Features a new new Fluorine coating
- Rugged, dustproof and water resistant construction
- Compatible with L-Series telephoto and telephoto zoom lenses

• Canon Zoom Telephoto EF 70-200mm f/4.0L Lens
• For Canon EF mount cameras
• Telephoto zoom lens
• 16 elements in 12 groups
• Ultrasonic AF motor
• Focus range limiter
• 8-blade diaphragm
• Internal focusing and zoom design
• 67mm filter thread

• Compact high performance L-series super-telephoto zoom Lens
• Ideal for sports and wildlife
• One fluorite and one super UD lens element
• Rotation-type zoom ring
• Optical Image Stabilizer upto 4 stops
• Improved zoom torque adjustment ring
• New Air Sphere Coating (ASC)
• Highly resistant to dust and water and amazing durability
• Circular aperture (9 blades)
• Fluorine coating on front and rear lens surfaces
• Lens hood with side window
• Newly designed tripod mount

- 4 UD Elements Correct Chrom. Aberrations
- Ultra Sonic Motor (USM) Inner Focusing
- Constant f/2.8 Maximum Aperture
- Focuses to 4.9' (1.5m)
- Filter Size - 77mm
- Compatible W/Extender EF 1.4x II & 2x II
- 18 Elements in 15 Groups
- Rotating Type Zoom System

- high-quality teleconverter
- Doubles focal length
- 2x extender

• EF-Mount Lens/Full-Frame Format
• Aperture Range: f/4 to f/32
• Super UD, Fluorite & Aspherical Elements
• Super Spectra and Air Sphere Coatings
• Ring-Type Ultrasonic Motor AF System
• Customizable Electronic Focusing Ring
• Optical Image Stabilizer
• Weather-Sealed Design, Fluorine Coating
• Detachable, Rotatable Tripod Collar
• Rounded 9-Blade Diaphragm

• Canon EF 70–200mm f/2.8L III Lens
• For Canon EF-mount cameras
• Telephoto zoom lens
• Five UD elements
• Ring ultrasonic autofocus motor
• Optical image stabilization 
• Canon Air Sphere Coating 
• Fluorite coating
• Dust- and water-resistant body
• Color: White