Tokina: FíRIN 20mm f/2 FE AF Lens

 

FíRIN 20mm f/2 FE AF is an autofocus version of the existing FíRIN 20mm f/2 FE MF super wide angle lens for full-frame Sony E-mount. Being optimized for full-size camera sensors in terms of size and resolving ability, the optical design adopts 2 aspherical elements and 3 lenses moulded from Super-low Dispersion glass. For AF drive system FíRIN 20mm f/2 FE AF adopts silent ring-shaped ultrasonic motor and is coupled with GMR sensor AF system. FíRIN 20mm f/2 FE AF is compatible with Fast Hybrid AF system. At all AF mode settings including DMF, FíRIN 20mm f/2 FE AF provides the same autofocus performance as with common E-mount AF lenses. Fine manual focus adjustment is also possible. Accurate focusing is supported by compatibility to MF Assist function, when fine focusing adjustment is operated by manual rotation of the focusing ring with the simultaneous interlocking with image enlarging function and bar distance display on the monitor. Due to the data transmittance ability via electric contacts the camera obtains necessary data from the lens chip to correct shading, distortion and lateral chromatic aberrations. Optical corrections can be done by the camera as well.

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