The FE 12-24mm f2.8 GM shares the same focal range as the earlier FE 12-24mm f4G, but with an aperture that’s one stop brighter. As a member of the G Master series, Sony also claims the f2.8 model delivers higher resolution and contrast especially towards the corners, reduced flare and ghosting, and remains rectilinear out to the extremes too. 

Apr 30, 2021 ·  It's only a little hyperbolic to say that the Sony FE 12-24mm F2.8 GM ($2,999.99) is a special lens, one that's simply unavailable for other camera systems. There are other full-frame zooms that... 

Jul 07, 2020 ·  The brand new FE 12-24mm F2.8 GM ultra-wide-angle lens completes Sony’s G Master “holy trinity” of f/2.8 zooms for Sony Alpha full-frame mirrorless cameras, joining the 24-70mm F2.8 GM and 70-200mm F2.8 GM. It also holds the snappy title of being the World's widest constant F2.8 12-24mm zoom lens. 

Jan 12, 2021 ·  Sony FE 12-24mm f2.8 GM is an expensive wide-angle zoom that is unlikely to reach a wide audience. But those who take advice will get a near-perfectly corrected lens with technical performance that is not at all common. The very solid lens is not too big or heavy to prevent it from use, but it is equally at home in the city or when traveling. 

Jul 28, 2020 ·  The new Sony FE 12-24mm f/2.8 G Master boosts diagonal coverage back up to an incredible 122 degrees, which is wider than the human field of vision, while also retaining a fast and constant f/2.8 aperture. This combination makes it the world’s fastest lens in its class. 

After the release of the hugely impressive Sony FE 20mm f/1.8, few would have expected Sony to have yet another lens-based ace up its sleeve, but with the launch of the Sony FE 12-24mm f/2.8 GM, that's exactly what we've got. It certainly isn't cheap, but this is an ultra-wide professional G Master lens with a large f/2.8 maximum aperture, so it does sit within the pricing structure of the G Master range. Not to mention, the excellent handling of lens distortion at 12mm alone arguably justifies its price. Taking up position at the wide-angle end of Sony’s coveted G Master line-up of lenses featuring a constant f/2.8 maximum aperture, the 12-24mm is aimed at landscape, architecture, interior, astro and sports photographers, and helps to take the lens range from 12mm up to 200mm. At the time of writing, the 12-24mm is also the world’s widest zoom lens with a constant f/2.8 maximum aperture. The ultra wide-angle 12mm focal length and is extremely useful for exaggerating and accentuatin... 

Sep 28, 2017 ·  Hence, the appearance of the Sony FE 12-24mm F4 G. Launched back in May alongside the faster FE 16-35mm F2.8 GM, this £1700 lens expands the horizons of Sony’s full-frame system into ultra wide ... 

The Sony FE 12-24mm f/2.8 GM ultrawide lens is a very solidly built high performer. This lens is best used with one of Sony’s ‘full frame’ α7 or α9 cameras, where its advantages will be maximised. Full review 

The latest and most extreme one is the Sony FE 12-24mm f/4 G. Being a G-class lens it is primarily targeting the semi-pro or prosumer market and it also means that you have to have fairly deep pockets regarding its price tag of 1700USD/2000EUR. 