1. Check Autofocus mode. Make sure both the lens and the camera switches are set to Autofocus. On the camera, the switch must be set to AF (Autofocus) and not M. M is for manual. Make sure the same is also true for the lens. If the lens doesn’t have an AF option, set it to M/A. 2. Unlock the back dial The AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR is a compact and lightweight kit lens that’s ideal for shooting video as well as photos. It features image stabilization for sharp images. Write a review. Description. With the Vibration Reduction (VR) equipped AF-P DX NIKKOR 18-55mm f/3.5-5.6G VR on your DX-format DSLR, you'll be ready for anything. Bottom, Nikon 55-200 VR. enlarge. Nikon calls this the Nikon 55-200mm f/4-5.6G IF-ED AF-S DX VR Zoom-Nikkor. Focal Length top. 55-200mm. Used on a digital Nikon it gives angles of view similar to what an 85-300mm lens would give on a 35mm film camera. See also Crop Factor. Optics top. 15 elements in 11 groups. One of them is made of magic ED glass. When you activate live view, the camera uses contrast detection. Contrast detection is available only in the live view mode because it needs the camera's sensor. For more details about how these technologies work more, see this Fstoppers article: The Difference Between a DSLR's Viewfinder Autofocus and Live View Autofocus The D3400 does not work well with manual focus lenses or any AF lens with an aperture ring. If a lens has an aperture ring, the D3400 will not be able to autofocus (turn the focus ring manually and look for the green OK dot on the lower left of the finder), and it will not be able to meter or set exposure (use Manual exposure and pray). If you can't get a focus confirmation when focusing manually and or don't get aperture confirmation when setting aperture then the chip in the lens may have failed. One thing you can try is to mount the lens, on camera body switch from AF to Manual then back again. I had one lens not focus once and after doing that the lens started working again. 5fQ3. 5. Increase the distance. And if your Autofocus is not working well with closer distances, then try increasing the distance between you and the object for zoom in to make the feature work. Well, that was all about how you can fix the problems regarding Canon lens Autofocus not working. Nikon AF-S DX NIKKOR 18-55mm f/3.5-5.6G Vibration Reduction II Zoom Lens with Auto Focus for Nikon DSLR Cameras. From the Manufacturer. An ultra-compact, all-around lens that draws peak performance from DX-format HD-SLRs. Life is full of interesting views, and you need a lens that can catch them all. When you activate live view, the camera uses contrast detection. Contrast detection is available only in the live view mode because it needs the camera's sensor. For more details about how these technologies work more, see this Fstoppers article: The Difference Between a DSLR's Viewfinder Autofocus and Live View Autofocus

nikon 18 55mm lens autofocus not working