Canon Extender EF2xIII Lens
- 2x increase of the lens's focal length
- Dustproof and waterproof specifications (JIS 2 equivalent)
- Lens placement and coatings are optimized to minimize the ghosting
- Built-in microcomputer in the extenders enables communication between lens, extender and camera
- Anti-smear coating (Silky Barrier Coating) used to enhance smear-free state of the lens surface
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