Camera Facilities
Camera facilities vary with design, but many are universal.
The camera lens
Most electronic cameras are fitted with a zoom lens. This can be adjusted to any coverage angle within its range; e.g. from 80° to 10° (a 6 to 1 ratio; 6:1). If this variation is insufficient, your options are:
• Fit a different zoom lens system. Designs of up to 44:1 are available..
• Clip on a supplementary lens or add an adaptor ring.
• Some zoom lenses include an extender lens/range extender, which can be flipped in/out to select two different ranges.
On a shoulder-mounted camera, the operator reaches round (left hand) to adjust.the focus (distance), the f-stop (iris, aperture), and the manual zoom control (lever on barrel-ring). The right hand ...
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