The Canon EF 24mm f/2.8 IS USM lens, isometric view. For an ultra wideangle prime, the Canon EF 24mm f/2.8 IS USM isn't too big and bulky, and not too heavy either at 280g. While you can use it on a smaller APS-C body for a 38mm equivalent angle of view, it won't balance quite so well - as demonstrated by the images above, it's a much better We review the Canon EF 20mm f/2.8 USM lens. Check the latest price of the Canon EF 20mm f/2.8 USM lens here. Test by Ian Andrews www.wildaboutkent Used Canon EF 24-70mm f/2.8 L II USM. Canon EF 16-35mm f/2.8L II USM: Performance Wide open at 16mm the sharpness in the centre is already excellent at f/2.8 and improves further as the lens is stopped down as far as Canon 16-35mm f/2.8 L II, 16-35mm f/4 L IS and 16-35mm f/2.8 III. bigger. Canon 20/2.8 USM, 17-40/4 L, 16-35/2.8 L II and 16-35/4 L IS. bigger. Canon 20-35 USM, 20-35mm f/2.8 L, 17-40mm f/4 L and 16-35/2.8II. enlarge. Canon 20-35 USM, 20-35 L, 17-35mm, 17-40mm and 16-35mm L II. enlarge. Here are crops from corner areas. The RF 15-35mm f/2.8L IS USM’s broad zoom ring has a step-up in size roughly at its mid-point, which makes it easy to identify and differentiate from the manual focus ring that is further forward. Both have a smooth, easy action. At the far end, close to the front element, the Canon RF 15-35mm f/2.8L IS USM has a dedicated control ring. Distortion. Ultra-wide zoom lenses tend to suffer from rather hefty image distortion and that's also true for the EF 16-35mm L. At 16mm it produces a strong degree of barrel distortion which eases the further you zoom towards the long end. At 20mm the situation is already improved (1.6%) and there's only a minor bit left at 26mm (a bit wavy G87SJ. Pros Ultra-wide field of view. Fixed f/2.8 aperture. Sharp throughout the zoom range. Cons Some distortion. Soft edges at f/2.8. Limited zoom range. The Canon EF 16-35mm f/2.8L II USM The falloff of the 16-35mm f/2.8 L improves at f/4, and remains the same at smaller apertures. It has has strong falloff at 16mm at f/2.8. The gray shots are of my Expodisc. This is a deviously tough test which shows even the slightest falloff. Except at 16mm at f/2.8, you'll almost never see this in normal photography. This is a test of the Canon EF 16-35mm f/2.8 L USM Autofocus Zoom Lens on a star field. This is Canon's very expensive, top-of the line zoom lens that costs about $1,450. The constellation of Cepheus is near the center of the frame, and Cygnus is in the upper right corner. This is the full frame image at 20mm of focal length. Canon RF 15-35mm f/2.8L IS USM Handling and Features. The Canon R6 II is a reasonably chunky mirrorless camera, so the equally quite chunky lens balances up rather well. It weighs in at a solid Canon EF 24-105mm f/4L IS USM Lens Canon EF 16-35mm f/2.8L II USM Lens Canon EF-S 17-55mm f/2.8 IS USM Lens Canon EF 24-70mm f/2.8L II USM Lens. The same lenses are shown rearranged by height below in their fully extended states with their lens hoods in place. As always, you can use the site's Lens Image Comparison tool to review many more 比较明显得缺点主要有3个，第一，0.45M的对焦距离，相对16-35的0.28差距明显，哪怕变焦到35MM，这个对焦距离也够远的。. 第二，虽然这个镜头是 USM马达 ，但毕竟是快30年的对焦技术了，拍照对焦其实还可以，但是 视频对焦 ，会有犹豫，白天的时候可以接受

canon ef 16 35mm f 2.8 l ii usm test