Tokina FiRIN 20mm f/2 FE AF Lens for Sony E-Mount

Overview

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 Sony E-mount camera. Being 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 optimized for full size camera sensors in terms of size and resolving ability, the optical design adopts 2 aspherical elements and 3 lenses molded 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.

LENS CONSTRUCTION	MTF CHART

Functionality

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 auto focus 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 maximum use of In-Body Image Stabilization of the camera.

Aperture fully controlled by camera

Camera system takes care of the lens aperture providing full compatibility to all shooting modes.