Camera Movements

What are camera movements? Essentially, they are controlled independent movements of lens or film plane which enable us to form a more usefull image under a particular set of conditions. They enable us, for instance, to increase depth of field over important parts of the subject, change image shape, and use images of subjects well above, below or to the side of the lens. Camera movements offer us all sorts of image controls, from simple square-on views of mirrors without the camera showing, to a complete change in the appar­ent perspective of a building. Here, indeed, is valuable ‘professional magic.’ Read more

Single-Lens Reflex (SLR) Camera

The 35mm Single Lens Reflex (SLR) camera is fundamentally a 45° hinged mirror set behind a lens which reflects the image up to a focusing screen on the camera top. As the shutter release is pressed the mirror flips up to: i) Form a seal under the focusing screen to prevent light from entering the camera through the viewing lens. ii) Move out of the way of the lens and film. When the mirror reaches the horizontal position it fires a focal plane shutter just in front of the film to make an exposure. Distances are arranged so that the Read more