Sony has just announced the FE 135mm F1.8 G Master (GM) lens, its 9th GM lens and 31st native full-frame E-mount lens. According to Sony, the GM line promises both ‘high resolution and exquisite bokeh’, and our initial impressions after shooting with the lens are certainly positive.

Sony tells us the design of this lens is new, and entirely different from the A-mount Sonnar 135mm F1.8 ZA lens. At 950g (2.1lb), it’s 280g (0.62lb) lighter than the Sigma Art 135mm F1.8 lens, which – at 1230g (2.7lb) – weighs 30% more than the Sony. That’s a significant weight difference, and the 135mm GM balances reasonably well on an a9 or Mark III Alpha-series full-frame body.
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https://www.dpreview.com/articles/8990379689/hands-on-with-the-sony-135mm-f1-8-gm