Zeiss is rumored to update the the current 135mm F1.8 ZA A-mount lens soon. The Sony A-mount telephoto prime lens is expected to arrive prior to Photokina 2016 event in September.

The current Sony SAL-135F18Z is one of the company’s best selling ZA primes and the demand for an updated version is very high. So according to recent rumors Sony’s next A-mount lens will be an updated 135 f/1.8 ZA.

The updated 135mm A-mount lens will have the same optical solution of the current135mm F1.8 ZA lens, and it will add a new T-coatings, weather-sealing and SSM. Now let’s get into more details.
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http://www.dailycameranews.com/2016/06/new-zeiss-135mm-lens-photokina-2016/