Brightin Star launches first autofocus full-frame 12mm lens for Sony E-mount
Brightin Star's new 12mm f/2.8 brings autofocus to a Sony E full-frame ultra-wide prime for $609.99, aiming at travel, astro, and gimbal shooters.
Brightin Star has turned a niche focal length into a much more practical buy for Sony shooters. The company launched the AF 12mm F/2.8 on May 22, its first autofocus-enabled full-frame ultra-wide lens for Sony E-mount, and priced the pre-order at $609.99, down from $659.99. At 122.5 degrees, it is pitched as a wide-open tool for landscapes, architecture, interiors, travel, and video work, with autofocus now doing the heavy lifting that usually pushes buyers toward bigger, pricier zooms or manual-focus alternatives.
That autofocus matters most in the situations where ultra-wide primes are usually hardest to use well. Brightin Star says the lens uses a fast STM motor with smooth, quiet subject tracking, plus an AF/MF switch for quick handoff when a shot needs manual refinement. For vloggers on a gimbal, real-estate shooters moving through rooms, or travel creators trying to stay light, that combination is a stronger selling point than raw angle of view alone. The lens also focuses as close as 0.3 meters, which gives it the kind of exaggerated foreground emphasis and perspective stretch that can make a foreground rock, doorway, or interior detail take over a frame.
On paper, Brightin Star has also given the lens the kind of optical recipe that ultra-wide buyers expect to see. It uses 15 elements in 11 groups, including aspherical, high-refraction, and low-dispersion elements, along with IMC and OPTORUN coatings meant to control flare and reflections. Those details will matter in the real world, because a 12mm lens lives or dies on edge sharpness, distortion control, and how it handles backlit scenes and sunstars. Brightin Star also includes rear filter support, a useful touch for landscape and long-exposure work when front filters are awkward or impossible to mount on an ultra-wide design.
The pricing is where the lens becomes especially interesting. Sony’s FE 12-24mm f/2.8 GM is listed at about $3,148 at B&H Photo, while the FE 12-24mm f/4 G is about $2,298. Brightin Star’s $609.99 asking price puts the AF 12mm F/2.8 in a very different class, making it far easier to justify as a dedicated travel, astro, or interior lens. The tradeoff is obvious: a prime gives up zoom flexibility, while Sony’s zooms still offer more framing options and the security of a deeply proven native ecosystem.
Brightin Star is also taking the lens to Nikon Z, which signals a broader full-frame autofocus push rather than a one-off Sony experiment. For Sony E-mount users, the real test now is whether this budget ultra-wide can deliver the autofocus and optical control that its spec sheet promises. If it can, the AF 12mm F/2.8 looks less like a novelty and more like the kind of everyday lens many ultra-wide shooters have been waiting for.
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