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The new Sony FE 50mm F1.2 G Master is Sony's 60th E-mount lens... and its fastest

Sony FE 50mm F1.2 G Master
(Image credit: Sony)

This isn't the first full frame 50mm lens in Sony's full frame E-mount line-up – there are no fewer than four others – but it's the first to bear the prestigious G Master branding and first lens in the entire Sony range to offer a maximum aperture of f/1.2.

The aperture of the Sony FE 50mm f/1.2 GM is a welcome surprise because many believed that the Sony E-mount, which is physically narrower than Nikon's Z mount and Canon's RF mount, wasn't wide enough to allow apertures as wide as this. Clearly that's not the case.

(Image credit: Sony)

Sony FE 50mm F1.2 G Master key features

Officially designated SEL50F12GM in the Sony catalog, the FE 50mm F1.2 G Master includes three XA (extreme aspherical) lens elements in its design. These XA lenses use ultra-high precision manufacturing techniques and are a trademark of Sony's G Master lenses.

A maximum aperture of f/1.2 will obviously tempt bokeh fans, and Sony claims its new lens is designed for high resolution right across the image, even wide open. The bokeh benefits from an 11-bladed circular aperture mechanism and a design which minimises any spherical aberration. 

Sony says the FE 50mm F1.2 G Master has a 'compact and lightweight design', but these things are relative, and any full frame 50mm f/1.2 lens is going to be pretty hefty. This one measures 87x108mm and weighs 778g.

Ultra-fast prime lens designs can mean the autofocus motors have to drive big, heavy focus elements too, but the new lens has no fewer than four XD (extreme dynamic) Linear Motors with high thrust efficiency. Alongside this, the new lens has Linear Response MF (Manual Focus), an aperture ring with a click on/off switch, a focus mode switch and two customizable focus hold buttons.

The FE 50mm F1.2 GM also has a dust and moisture resistant design and a fluorine coating on the front element to resist fingerprints, dust, water, oil and other contaminants.

(Image credit: Sony)

Sony FE 50mm F1.2 G Master price and availability

The Sony FE 50mm F1.2 GM will be available from April 2021 in the UK and May in the US and Australia, and will cost around $1,998 / £2,099 / AU$3,399.

• US: Pre-order the Sony FE 50mm F1.2 GM from B&H
• UK:
Pre-order the Sony FE 50mm F1.2 GM from Wex

Read more:

Best Sony lenses
Best 50mm lenses
Best Sony cameras
Sony FE 35mm F1.4 G Master

Rod Lawton

Rod is the Group Reviews editor for Digital Camera World and across Future's entire photography portfolio, with decades of experience with cameras of all kinds. Previously he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more.