The Camera

 

1. Camera-  A device that stores and records images.

2. Photography- The activity or art of capturing still or moving pictures.
3. Camera Lens- Is an optical lens or assembly of lenses used in conjunction with a camera body.
4. Optical Lens- A device with perfect or approximate axial symmetry which transmits and refracts light.

1. Aperture- Also called aperture stop.  Optics an opening, usually circular, that limits the quantity of light that can enter an optical instrument.

2. Shutter- A mecanical device for opening and closing the aperture of a camera lens to expose film orlike.

3. Exposure- The total amount of light received by a photosensitive surface or an area of such a surface, expressed as the product of the degree of illumination and the period of illumination.

4. Depth of Field- The range of distances along the axis of an optical instrument, usually a camera lens, through which an object will produce a relatively distinct image.

5. F-stop- The setting of an adjustable lens aperture, as indicated by an f number.

6. Focal Length- The distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the center point of the lens