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Canon EF 2XIIII Extender 商品介紹
The Extender EF 2X III from Canon is designed for select Canon EF mount L-series telephoto lenses. It increases the focal length of a lens by a factor of 2x while still delivering superb image quality. To ensure the best possible image quality in all shooting conditions, it combines redesigned optics, improved data communication between lens and camera and enhanced environmental protection. It is ideal for photojournalists and wildlife, nature and sports photographers who need to get close to distant and challenging subjects and it reduces the need to carry heavy telephoto lenses.
- Compatible Lenses: Fixed focal length L-series lenses 135mm and over
- All versions of the EF 70-200mm f/2.8L, EF 70-200mm f/2.8L IS, and EF 70-200mm f/4L EF 100-400mm f/4.5-5.6L
- EF Mount Teleconverter
- Microcomputer Controlled
- 2.0x Magnification Factor
- Communication Between Lens & Camera
- Carefully positioned lens release mechanism makes it easy to mount the extender quickly, reducing the time the camera and lens are exposed to the environment.
- Integrated processor communicates between camera and lens and ensures all focusing, metering and ID information is available.
- All optical elements use Canon's Super Spectra coating, reducing ghosting and flare.
- Fluorine Coating on the front and rear elements keeps soiling, smears, and fingerprints to a minimum.
- Sealed to be resistant to both dust and water, allowing photographers to use them in extreme shooting conditions.