Matching Pairs Photography ConceptsOnline version Match camera and photography terms with the correct definition by Shawna Uskokovic 1 Exposure 2 Depth of Field 3 Grain 4 Aperture 5 Bokeh 6 Light Meter 7 Rule of thirds 8 ISO 9 Focal length 10 Shutter Speed How light or dark the image is. Sensitivity of the camera's sensor Used to measure level of exposure the distance between the closest and farthest objects in a photo that appears acceptably sharp a space/hole through which light passes into the camera The speed at which the camera shutter closes images shot at high ISO tend to have a lot of this. the aesthetic blur of out-of-focus parts of an image a type of composition in which an image is divided evenly both horizontally and vertically, and the subject of the image is placed at the intersection of those dividing lines, or along one of the lines itself. the distance between the lens and the image it forms on the film