Zoom Lens definition:
A lens allowing a camera to change
smoothly from a long shot to a close-up or vice versa by varying the focal
length.
Most entry level digital SLR cameras
are supplied with a zoom lens allowing the user to switch from wide angle shots
through to telephoto. Zoom lens’ are
highly flexible, however certain photographers will purchase specific lens for
dedicated purposes.
Focal
The most important factor in any
camera lens is its focal length. This determines which type of lens it is, and
what subjects it will be able to photograph. Focal lengths range from just a
few millimetres up to over a metre, and can be loosely grouped as follows:
Lens focal lengths, types, and
uses
Telephoto Lens (long focal length) have a narrower picture angle.
A longer focal length is associated
Image Bank
Settings
Shutter speed 1/200
F-stop 8
IS0 200
Equipment
Tripod
Contact Sheet
18
24
35
55
18
24
35
55
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