Learn the basic dslr settings needed for taking consistently good intra oral and extra oral dental pictures f stop aperture white balance iso jpeg. Step 1 the best dental photography camera nikon canon have a variety of camera bodies that serve different purposes in photography some of the more expensive models cost upwards of 1600 while some of the basic models can go for about 500 i would recommend purchasing a crop sensor camera that is lightweight reasonably priced. An intro to basic dslr camera settings aperture in focus for clinical photos the aperture setting is measured in f stops moving from an f stop of f 56 to shutter speed the other factor that determines the amount of light being let in is the shutter speed the aperture iso and image . Here is an example of a same image with low and high iso so put your iso on 100 and do not change it again for dentistry shutter speed 1 200 shutter speed is the length of time your camera shutter is open exposing light onto the camera sensor essentially its how long your camera spends taking a photo