Imaging recource: Tokina launches autofocus 20mm FE lens and brand-new premium full-frame lens “Opera” series

Tokina has announced a couple of lenses over the past week. Let's look at the first lens announced, the Tokina 20mm f/2 FE AF FiRIN. This lens is the autofocus version of the existing FiRIN 20mm f/2 FE super wide angle full-frame prime lens for Sony E-mount. The new autofocus version uses the same optical design as the original manual focus version, which includes a pair of aspherical elements and three super-low dispersion glass elements. The autofocus motor is ring-shaped and promises fast and accurate autofocus. The lens is...
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