lecture 2 - lecture2 23:48...

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lecture 2 23:48 The Lens- glass elements in the barrel casing of a camera.  The Focus- distace in feet from the film plane to subjewct in sharp focus. Focus is a range, not an exact measurement. Depth of field is the zone of “acceptable” focus extending in front of and behind the  subject of focus. To expand depth of field you can… 1. Adjust the aperture 2. move the camera 3. adjust the focal length Hyperfocal Distance- provides best DOF (depth of field) at given f-stop (extends from  subject to infinity) Go to DOFmaster.com to make precise calculations Shallow focus- puts focus on foreground image and puts all else out of focus. Rack focus Focal length- the power of the lens to bend light rays.  Distance in mm between nodal point and focal plane. Determines how large an object will be in the frame.  Affects depth and perspective.  Prime lenses v. zoom lenses
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This note was uploaded on 03/15/2012 for the course CA 355 taught by Professor Aarongranat during the Spring '12 term at Wisconsin.

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lecture 2 - lecture2 23:48...

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