Window in the camera through which a photographer views the picture. Used for choosing, composing, and often focusing the image.
- Optical Viewfinder (Real Image): The photographer looks through a transparent window to frame and focuses the image. The photographer is seeing the real image, through the window of the viewfinder.
- Digital Viewfinder: An LCD display built into a camera that gives a digital view of where the camera is pointing. It’s used to compose and focus the image.
- Pixel (Picture Element): Used to express a picture’s detail as stored in the memory; also the detail-gathering ability of camera image sensors (CCD) or output devices, such as monitors.