Fine tuning settings are specific to the lens/camera combination, and once you’ve set them up, the camera saves them. Sony, Olympus, and Pentax cameras have a variety of versions. This feature can be found on Nikon D7000 and Canon 50D bodies, both of which have a lot of it. When you autofocus fine tuning a camera/lens combination, you can change the focus point to a different target. In this article, we’ll show you how to use the fine tune feature on your Nikon DSLR camera. This can be a useful tool if you find that your lens is consistently not quite hitting the mark when it comes to focus. Using the Fine Tune Feature on Your Nikon DSLR Camera If your Nikon DSLR camera is equipped with a autofocus fine tune feature, you can use it to micro-adjust the focus of your lens to compensate for any slight back or front focus issues.