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The Tokina atx-i 11-20mm f/2.8 cropped frame CF is designed for an improved user experience. The constant f/2.8 aperture lens provides excellent edge-to-edge sharpness and resolution. Reduces flare and ghosting while maintaining excellent contrast and color. A new waterproof top coat also makes it easier to clean. Cinematography Popular among cinematographers too because the lens provides a wide cinematic feel minimized breathing no edge distortion while panning and the overall weight and internal focus design make it an ideal choice for gimbal work. Advanced Optical Design The Tokina atx-i 11-20mm f/2.8 CF incorporates a complex optical design with 14 elements in 12 groups. The proprietary optical design uses three aspherical lens elements 2 all-glass molded and 1 P-MO hybrid to achieve superior contrast and sharpness as well as correct for spherical aberrations. Additionally Tokina uses three super-low dispersion SD FK01 and FK03 glass elements to control chromatic aberrations. The lens provides super-low distortion and low light fall-off for straight lines and minimal exposure vignetting excellent for architectural landscape astrophotographers and cinematographers. Focus Ring Rotation The directional rotation of the focus ring matches the proprietary direction of Canon lenses.
- New design more modern and more comfortable
- New optical treatment for better resolution and management of stray reflections
- F2.8 constant aperture ultra wide-angle focal lengths
- Constant space thanks to internal focus
- High-level optical performance