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Tokina Firin 20mm f2 AF Lens - Sony E mount

The Tokina Firin 20mm F2 FE AF Lens is the autofocus version of the existing manual focus model for full-frame Sony E-mount mirrorless cameras.

SKU: 4961607634509
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FíRIN 20mm F2 FE AF is an autofocus version of the existing FíRIN 20mm F2 FE MF super wide angle lens for full-frame Sony E-mount. Being specially designed for Sony E-mount and adopting the same optical design as in MF model, FíRIN series now offers more options for end-users to choose according to the purpose and style of shooting.

Compact size
In terms of weight and size, FíRIN 20mm F2 FE AF is designed to fit the Sony E-mount camera. Being a fast wide angle prime lens it performs great optical results that come from such a compact and lightweight construction. Feel the exquisite balance between lens and camera body when go out shooting with FíRIN 20mm F2 FE AF.

Optical performance
Being optimised 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 to significantly reduce any type of aberration including spherical aberration, distortion and chromatic aberration while assuring high resolution and stunning performance even at wide-open aperture.

Keeping along with the basic development concept of the previous model FíRIN 20mm F2 FE AF is made compatible to auto focus and other functions of the camera providing perfect functionality and usability for the photographer.

Ring-shaped ultrasonic autofocus motor
For AF drive system FíRIN 20mm F2 FE AF adopts quick responsive and silent ring-shaped ultrasonic motor. Coupled with GMR sensor AF system performs fast and accurate focusing.

Full compatibility to AF system
FíRIN 20mm F2 FE AF is fully compatible with Fast Hybrid AF system. At all AF mode settings including DMF, FíRIN 20mm F2 FE AF provides the same autofocus performance as with common E-mount AF lenses. Fine manual focus adjustment is also possible.

MF Assist function
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.

Optical correction
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.

Image Stabilization
By transmitting focal length data FíRIN 20mm F2 FE AF is able to get the maximum use of In-Body Image Stabilisation of the camera.

Aperture fully controlled by the camera
Camera system takes care of the lens aperture providing full compatibility to all shooting modes.

Note: FíRIN series lenses are developed and manufactured in accordance with Sony-licensed specification.

Focal Length


Maximum Aperture


Minimum Aperture


Automatic Aperture


Manual Aperture Ring


Angle of View


Minimum Focusing Distance


Macro Ratio


Focusing Mode

Internal Focus

Manual Focusing Ring


Autofocus Switch


Focusing Type

Internal Focus

Sensor Size

Full Frame

Filter Size




Construction Type


Construction E/G

13 Elements in 11 Groups

Aperture Blades


Electrical Contacts



73.4 x 81.5mm

Lens Hood



2 year Limited Warranty



Additional Information

Manufacturer Part Number 710 305.0
Condition New

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