Aperture Aperture is the opening in a lens through which light passes to the camera's sensor. Aperture varies from shot to shot, depending on the amount of available light. Lenses are often identified by maximum aperture, which is the widest amount they will open. Maximum aperture is printed on the barrel of NIKKOR lenses in numbers called f/stops. Best Nikon Wide-Angle lenses of 2019 Best APS-C Wide-Angle Zoom Lenses for Nikon Sigma 18-35mm f/1.8 DC HSM Art. The Sigma 18-35mm f/1.8 is easily one of the best wide-angle zooms on the market. The focal length and aperture combination is unmatched and have a huge range of creative possibilities. The optics of most of Nikon's earlier AI-s manual focus lenses have been exceeded in Nikon's newer AF lenses. This isn't the case here. This manual focus lens outperforms its newer 85mm f/1.4 D autofocus sibling. In fact, its so good that even after the f/1.4 autofocus lens came out, for about the about the same price, Nikon kept making these The aperture F/1.8 is 3.5 stops wider than the aperture F/5.6, which is used in the 'slow' kit lenses at 50 mm. In a numerical equivalent, this means that the Yongnuo 50mm 1:1.8 (YN50mm F1.8N) is 10 times faster , for example than Nikon 18-55/3.5-5.6 kit lens (which uses a maximum relative aperture, equal to only 1:5.6, for 50 mm). The Rokinon 14mm f/2.8 is a manual focus lens that is available in most camera mounts: Canon, Nikon, Pentax, Sony Alpha, and Sony E-mount. It is also available for the Fujifilm X-Mount and Micro Four-Thirds cameras, but I do not recommend such a huge lens for these compact systems. The G series work fine on all current AF Nikon cameras on which the manual aperture rings were a pain. On legacy AF cameras like the 8008 and 6006 you may lose the A and M modes, you'll have to see. I forget if for those modes if one sets the aperture on the camera or on the lens aperture rings. Amazon.com : NF-M43X Focal Reducer Speed Booster 0.71X Lens Mount Adapter for Nikon G&D Mount Lens to M4/3 Mirrorless Camera with Manual Focus, Infinity Focus and 8 Adjustable Aperture : Camera & Photo Manual Focus Nikon lenses, produced from 1977 until mid 80's, introduced Automatic Maximum Aperture Indexing. A mechanism for meter coupling, that is, to inform the meter in the body what is the maximum aperture of the mounted lens. With all black barrel, rubber focusing ring and multicoated elements. Don't have a CPU chip. AI-S If I buy a lens with a manual aperture ring like the Nikon AF 50mm f/1.8D, then does that mean that I can only control the aperture on the lens? Or can the camera control it too? I want one with manual aperture, but I also want the camera to be able to control it when using presets. My camera is the Nikon D3300. The Nikon Z6 (Amazon, B&H) has a new lens mount, the Z-mount, and this means new native lenses.In this mega-article, let's go over the most useful lens options for the Nikon Z6, specifically for video and cinematography. Starting with the mount itself. To control the diaphragm with the aperture ring of an AFD lens on the D7100 just go to Customize Controls (f5), select Command dial, Aperture settings then set the Aperture ring setting to ON option. All AFD lenses can be used like an AI/AIS lens on Aperture Priority mode with this arrangement. To control the diaphragm with the aperture ring of an AFD lens on the D7100 just go to Customize Controls (f5), select Command dial, Aperture settings then set the Aperture ring setting