Related Words

Sharpness: The clarity of detail in a photo.

Angular Field: The angle subtended at the lens by the diameter of the largest circle within which the lens gives an image of acceptable sharpness and even illumination.

Acutance: Objective measurement of image sharpness.

Acuity: Subjective term for the visual sharpness of an image.

Differential Focusing: Setting the camera controls to produce minimum depth of field, so that image sharpness is limited to a particular subject element.

Focusing: System of moving the lens in relation to the image plane so as to obtain the required degree of sharpness of the film.

Resolution: The amount of data used to make up a picture, screen, or audio track. The more data in a picture, the richer the image and the higher the resolution. Resolution is measured in a number of wa . . . View Full Definition

Acidity: Taste those high, thin notes, the dryness the coffee leaves at the back of your palate and under the edges of your tongue? This pleasant tartness, snap, or twist is what coffee people call a . . . View Full Definition

Selective Focusing: Method of adjusting the lens aperture and shutter speed to give a depth of field that will limit image sharpness to a particular area of the image.

Pixel: A combination of the words ''picture'' and 'element ' A pixel is the smallest discernible sample of video information, the 'little squares' that make up an overall picture. Pixels per inch ( . . . View Full Definition