camera parts & functions; shutter speed and aperture

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    1. Camera Types2. Camera Body

    3. Camera Lens4. How do they work together?

    Camera Parts and Functions

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    Major Camera Types

    1.Rangefinder-35mm film

    -fewer parts to break

    down-easily transported &lightweight, quiet

    -good quality images

    -what you see throughthe viewfinder is notexactly what you get inthe final image

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    2. Single-lens

    Reflex-35mm film

    -more parts to breakthan the rangefinder.

    -easily transported &lightweighta bitheavier than arangefinder

    -good quality images

    -whatever the lens sees,the photographer sees

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    Shutter Speeds

    Rememberthese numbers are afraction of a second!!!

    1/1000, 1/500, 1/250, 1/125, etc.

    Shutter speeds control how long light passes through thelens to the film.

    Shutter speeds are set in combination with the lens

    openings. For example, a fast shutter speed to stop racingaction could be set to open and close as fast as 1/1000th ofa second.

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    The shutter speed technically controls the amount of lightreaching the film and creatively controls whether a moving

    subject is frozen or blurred.

    1/8 sec 1/100 sec 1/500 sec

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    1/30 sec

    1/30 sec 1/30 sec

    1/500 sec

    slow shutter speedaction is blurrybackground is clear

    fast shutter speedaction is clear(frozen)background is clear

    slow shutter speedaction is clear(subject is movingtowards the camera)background is clear

    slow shutter speedaction is clearbackground isblurry

    camera was movedto follow thesubject: panning

    panning

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    focusing ring

    distance scale

    depth-of-field scale

    (f-stop selections)

    Text }}}

    }aperture ring

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    Aperture Sizes, Lens Openings, & -stops

    The aperture controls the amount of light passingthrough the lens to the film.

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    Aperture Sizes, Lens Openings, & -stops

    ALSO control the depth of field

    The depth of field is the area between the nearest andfarthest points from the camera that are acceptably sharp inthe focused image.

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    In this example, we can see that all threesubjects are in focus for the photographerbecause at 16, this lenss depth of field(wall of focus) is from about 4 feet away toabout 13 feet away.

    16

    16

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    2

    In this example, we can see that only themiddle subject is in focus for thephotographer because at 2, the depth offield (wall of focus) is much shallower thanat 16 - now it is only about one foot thickand at about 7 feet away.

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    Summary

    Remember

    The shutter controls the amount of light reaching thefilm whether a moving subject is frozen or blurred.

    The aperture controls the amount of light reaching thefilm and the depth of field.

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    SHUTTER SPEED

    APERTURE

    Physically/Technically controls:

    Physically/Technically controls:

    Creatively controls:

    Creatively controls: DEPTH OF FIELD

    MOVEMENT(blurry or sharpness)

    (the wall of focus)

    AMOUNT OF LIGHT

    AMOUNT OF LIGHT(size of aperture)

    (how long shutter is open)