- Lens construction is 14 elements in 11 groups
- Focal length is 14mm, maximum aperture is 1:2.8 and has gel filter holder at rear of lens
- Closest focusing distance is 7.9 inches
- Diagonal angle of view is 114° (on full-frame cameras)
- Dust and moisture proof built in lens hood
- Compatible with all EOS Digital SLR cameras
- Redesigned optics including 2 high-precision Aspherical elements and 2 new UD-glass elements
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