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Sony FE 85 mm f/1.4 GM

Sony FE 85 mm f/1.4 GM
14 September 2016
Szymon Starczewski

1. Introduction

Older 85 mm f/1.4-1.8 lenses used to be relatively simple. For example the Zeiss Planar T* 85 mm f/1.4 ZF/ZK/ZE featured just 6 elements positioned in 5 groups. Later constructions had a bit more elements: for example the A mount Sony Carl Zeiss Planar T* 85 mm f/1.4 was an 8-element device and the Nikkor AF 85 mm f/1.4D IF, produced in 1995, had as many as 9 elements inside.

The jump toward an even more complex level happened in 2014 when Zeiss showed their Otus 1.4/85, a lens consisting of 11 elements positioned in 9 groups. Soon afterwards it was joined by the equally complex Milvus 1.4/85 and the stabilized Batis 1.8/85. In 2016 that group was enlarged by the stabilized Tamron SP 85 mm f/1.8 Di VC USD (with as many as 13 elements) and the Sony FE 85 mm f/1.4 GM which, despite the lack of a stabilization unit, featured 11 elements positioned in 8 groups.

In the following material we are going to present optical and mechanical properties of the latter.

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We would like to thank the Polish Sony subsidiary for lending us one specimen of the lens for testing purposes.

You are also invited to get acquainted with our test procedure, described in the article "How do we test lenses?" If you feel it’s still not enough, please go to our FAQ section where you can find some further explanation.

Sony FE 85 mm f/1.4 GM - Introduction

Sony FE 85 mm f/1.4 GM - Introduction



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