One Sony Lens That Shoots Both Circular and Full Frame Fisheye

Fisheye lenses have usually forced a choice between a circular image and a frame-filling one. Sony's FE 8-14mm f/3.5 G does both in one small zoom for $1,600, so deciding to buy it comes down to how often you'd actually use a lens this specialized.

At 8mm, the lens draws a 180-degree circle on a full frame sensor, and by 14mm it covers the whole frame. Christopher Frost runs the Sony FE 8-14mm f/3.5 G Fisheye through his full set of tests on a Sony a7CR. He starts with a body that's mostly heavy-duty plastic and weighs just 314 g, yet carries more controls than you'd expect on something this small. There's a switch for autofocus, manual focus, and focus hold, plus a customizable hold button, an aperture ring that can click in third stops or turn smoothly for video, and a weather-sealed mount. The zoom ring locks at 8mm, 14mm, and 10mm, and the 10mm stop gives APS-C shooters full coverage from the start. Those detents save you from nudging the ring back and forth while checking whether black corners are creeping into the frame.

Video shooters get a few extra rules. Most Alpha bodies don't offer open gate recording, so the 16:9 crop cuts off the top and bottom of the circle at 8mm. Stills keep the whole thing. Frost also shows what happens if you leave in-body stabilization switched on: the footage develops a strange wobble, so turn it off before recording. The two linear motors focus quickly and quietly in both single and continuous modes, and there's some focus breathing at either end of the zoom. You'll also want to pull the small hood off at 8mm, or it shows up in the circle.

For years, the only way to get a fisheye zoom on a Sony body was to adapt someone else's glass. Canon's EF 8-15mm f/4L Fisheye USM has been around since 2011, and Nikon followed with its AF-S Fisheye Nikkor 8-15mm f/3.5-4.5E ED in 2017. Both became standard tools for skateboarding, surf and underwater housings, tight interiors, and 360-degree VR work, where a circular image makes stitching easier. A native lens that's much smaller than those designs works well in the places fisheyes end up, like a pole, a gimbal, a water housing, or a cramped room where every gram counts. When deciding, weigh the look against how much you'll use it. If you shoot action sports, concerts from the front row, or immersive video, a fisheye can earn a spot in your bag. If you'd pull it out twice a year, the circle loses its novelty fast. Software defishing also changes the math, since a frame-filling fisheye shot can be pulled into a very wide rectilinear image later with tools like Lightroom's lens profile corrections, which stretches the value of a lens like this past pure effect shots.

On the 61-megapixel a7CR, the numbers hold up well. At 8mm and f/3.5, the center is razor sharp and the corners nearly match, with strong contrast throughout, and diffraction only takes over past f/11. At 14mm, stopping down to f/4 or f/5.6 adds a very small gain in the center that Frost could barely see himself. Purple fringing on high-contrast edges is low for a fisheye. The 15 cm minimum focus distance lets you get almost on top of your subject, which is great for exaggerated perspective, though the front element ends up so close that lighting the scene becomes its own problem. Frost then shoots against bright light, checks for coma at night, looks at sunstars from f/8 onward, and tests the bokeh up close, and the results vary more from test to test there. He also stacks the Sony against the Laowa 8-15mm f/2.8 fisheye zoom for E-mount, which costs far less and gathers more light with its brighter maximum aperture.

To see how the Sony handles flare and night scenes, and how it compares with the Laowa point by point, watch Frost's full review in the video above.