Thursday, September 1, 2011

The Camera

Lens- The Lens of a camera captures the light from the subject and brings it to a focus on the film or detector.

Single lens reflex- With this lens, the photographer sees right through the lens, avoiding the issue of parallax.

Parallax- This happens when the taking lens is separated from the viewfinder or viewing lens. Parallax is the appearance that the background is moving slower than the foreground closest to the photographer.

Lens Hood- A device on the end of a lens to block sunlight or other light source to prevent glare or lens flare.

Aperture- The size of the hole or space for light to travel through the lens. It determines the cone angle of a bundle of rays that come into focus in the image plane.

Shutter- A device that allows the light to pass for a determined period of time.

Exposure- The total density of light allowed to fall on the photographic medium during the process of taking a photograph.

Depth of Field- The distance from the nearest and farthest objects in a scene that appear acceptably sharp in an image.

F-stop (also known at F-number)- The diameter of the entrance pupil in terms of the focal length of the lens.

Focal Length- The measure of how strongly the system converges or diverges light.
Shutter Button- the front of the camera, right side- Takes the picture

Settings knob- on top of the camera- switches between the various preset settings and modes designed by the maker.

Recording- button adjacent to the red dot on the back of the camera- record moving footage.

Review- blue arrow in a blue box on the back of the camera- review pictures already taken and saved into the camera.

MENU- on the back of the camera- access other settings provided by the maker.

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