The basic operation
of a DSLR
is as follows: for viewing purposes,
the mirror reflects the light coming through the lens upwards at
an approximately 90 degree angle.
It is then reflected by the
pentaprism to the photographer's eye. During exposure (when the photograph
is taken), the mirror swings
upward, and a
shutter opens, allowing
the lens to project light through the aperture
onto the film /
sensor.
Compact camera:A point-and-shoot camera, also called a compact camera, is a still cameradesigned primarily for simple operation. Most use focus free lenses or autofocus for focusing, automatic systems for setting the exposure options, and have flash units built in.
SLR (film)
A single-lens reflex camera (SLR) is a camera that typically uses a mirror and prism system that permits the photographer to view through the lens and see exactly what will be captured.
Medium format
The size of the imaging sensor comes into play in the final quality of the photo. I'd rather have a 20 megapixel medium format camera than a 30 megapixel 35mm based DSLR because the physical sensor is much larger. The larger the sensor the higher the quality.
Large format
Compact camera:A point-and-shoot camera, also called a compact camera, is a still cameradesigned primarily for simple operation. Most use focus free lenses or autofocus for focusing, automatic systems for setting the exposure options, and have flash units built in.
SLR (film)
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