Lesson 7: 19.4.2010
Lens Types
Wide Angle Lens: a wide-angle lens refers to a lens whose focal length is substantially shorter than the focal length of a normal lens for the image size produced by the camera, whether this is dictated by the dimensions of the image frame at the film plane for film cameras or dimensions of the photosensor for digital cameras.Longer lenses magnify the subject more, apparently compressing distance and (when focused on the foreground) blurring the background because of their shallower depth of field. Wider lenses tend to magnify distance between objects while allowing greater depth of field.
Zoom Lens: A zoom lens is a mechanical assembly of lens elements with the ability to vary its focal length (and thus angle of view), as opposed to a fixed focal length (FFL) lens.
Long Focus:
Telephoto Lens:
Retro Focus Lens:
Quashi Fish Eye Lens:
Fish Eye Lens:
Catadioptric:
Macro:
Teleconverter:
Supplementary or Close Up Lens:
PC or Tilt Shift Lens:
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