Canon EF 16–35mm f/2.8L III USM Lens

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I use to have the previous version of this lens, MUCH smaller, its the only thing i dont like about this one, its TOO BIG!!

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This is my ultimate favorite lens in the world.

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Great lens, amazing image quality, super fast and silent auto focus. Everything is perfect except the price.

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Outstanding Lens; Great for general shooting at venues

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More quality from Canon. Less coma and vignette than its predecessor. A bit heavier and bulkier though.

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UPDATE: After a few days with the lens, I decided to return it and lower the score. SUMMARY: Amazingly sharp lens but it may not be useful for really low light, night, or video work due to severe vignetting - over four stops of light lost at the corners! In low light or dark scenes such bad vignetting will become ugly noise when corrected, even on Canons latest sensors and with the best denoise plugins. See the attached images (unedited RAW exported to JPEG) comparing it against a prime at 24mm in daylight and then against a prime and a competing zoom at ~16mm at night. The vignetting is obvious and awful. If you stop this lens down to 4 or 5.6, vignetting issue is mostly gone, but this defeats the purpose of an F2.8 lens that most of us buy to shoot wide open in low light. If you can get by with the F4 IS version of the 16-35mm, you save a stack of cash and gain image stabilization and a lighter lens that can take smaller filters and is very sharp as well. ORIGINAL REVIEW: This is the sharpest F2.8 ultrawide zoom on the market. It also takes screw on filters. The advantage of the F2.8 aperture is mostly wasted on the severe vignetting. While incredibly sharp this lens will NOT be suitable for astrophotography or truly low light use at F2.8 despite the very low coma and aberrations. If you care about dark corners or noise and detail loss in the corners after software correction, this lens will not be for you - that is its only real flaw unless you count lack of image stabilization against it, which we all wanted and maybe expected. If you shoot in bright daylight or even in moderate light and have plenty of signal in the corners and edges, software will remove vignetting and you will probably never care - JPEG shooters may not ever know about vignetting since the camera applies the correction before you ever see the image. If you take night or deep shadow photos though, prepare for noise in the corners due to the awful vignetting. Some of the reviewers think this lens is the same as the previous version. I find this wildly not accurate. The performance differences are blatant.This lens is WAY sharper than the version 2 in the corners and throughout the frame, but vignettes harder than the version 2 by 1-1.5 stops. This lens is sharper than the legendary Nikon 14-24mm F2.8 and takes filters, but has double the vignetting of the Nikon. The few competing lenses that are this sharp are all F4, or have bulbous front elements that are expensive and difficult to add filters to. The engineering compromises make it almost impossible to make one F2.8 lens this sharp that can do everything. So, this is a fine lens but has drawbacks for my shooting style. I am electing to return this lens and buy two lenses: a Tamron 15-30mm F2.8 and a Canon 16-35mm F4. This gives me TWO wide lenses covering 15-35mm, both with image stabilization, both nearly as sharp, and together cost the same as this lens. Both with their image stabilization can do slow handheld daytime stuff but the Tamron specifically excels at astrophotography as it has low vignetting and coma aberration. The Canon 16-35 F4 will do my daytime duty only for landscapes where I would never want the F2.8 anyway, plus its lighter and takes smaller filters, a plus for travel.

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Well made lens and offers the finest image quality . Compared to its predecessor the corner sharpness has been dramatically improved, as well as overall contrast and fine detail. Distortion is a tad better at 16mm and vignetting also shows a modest improvement. Shooting on a 1DX the differences are easily seen in the corners, however, shoot with a 5DSR and the overall frame is dramatically improved. I find the weight difference to be negligible when shooting with any full frame camera and grip. This is certainly the new standard for photojournalists and street photographers.

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This lens is razor sharp out to the edges at f2.8. The new lens is a huge improvement over the original and the second versions of this lens. The vignetting as far as I can tell isnt nearly as bad as everyone has made it out to me. The handiling is improved with the small taper to the front element, where as the previos two went out into a very abrubt change in diameter. The one review on here stating it came with cracks, every lens will show similar lines. They are from where the mold seam was when they molded the outer barrel parts. They are a high durability plastic. They are not cracks. They are just indentations or raised lines from the mold. They do not mean there is a crack. Your lens is still sealed. UPDATE: The front barrel on two of these lenses have had severe cracking noises. Doesnt seem very durable. And my current lens makes a loud poppinh noise when the manual focus ring is turned just as it leaves infinity. Not sure why.

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Just some background information, I am a landscape photographer and I have been using this lens since it came out with the 5DSR. The major strength of this lens is that it is incredibly sharp corner to corner. Ive also heard and read that this lens is a significant improvement over its predecessor. My personal problem with this lens (which DEFINITELY doesnt apply to everyone) is its heavy vignetting wide open. During the day of course its easily fixed by stopping down or in post. However, the problem becomes much more obvious at night. I enjoy shooting a lot of astrophotography and was excited to find out that this lens renders stars very well-sharp, no evidence of coma. But due to the combination of the vignetting and the cameras limited dynamic range at high ISOs, any attempt at correcting the vignette in post would render unusable corners. In my case with the 5DSR, the corners become very very purple. After some testing and research, I found that the corners of the lens produce near 4 stops of vignetting! Attached picture shows the corner after heavy noise reduction. Another thing to take note of, I use this with a LEE filter system and the vignetting does get worse. So in conclusion, its not a jack-of all trades landscape lens. If you shoot mainly during the day at low ISOs, then by all means, you will be incredibly satisfied with this lens. However, if you are like me and likes to venture out at night, then I would suggest looking somewhere else. Perhaps the new Tamron 15-30mm, which I dont own but has read raving reviews about.

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We use it on our RED camera and our 5dmk4, It is sharp edge to edge and when shooting cropped video it is really versatile. Photos look great, I am very pleased.

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