Axis Communications Security Camera 2420 W/Lens User Manual

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AXIS 2420 User’s Manual Lenses and Advanced Focusing
55
Direct Focusing in Your Browser
The AXIS 2420 is easily targeted for different applications.
With your video stream displayed in a browser, simply
adjust the camera focus ring until you are satisfied with
the focus.
However, for remote installations - where you are unable
to view your video images directly in a browser - you can
achieve a good level of camera focus by using the Focus
Assistant, described below.
Notes: •The text information printed on the lens assembly will
clearly define the focusing polarity (
F, ∞, and N) for the
focus ring supplied with your unit. The camera focus is
adjusted for either Far-focus
(F, ∞) or Near-focus (N) by
rotating the focus ring in the appropriate direction.
•The lens rotates on a screw fitting and can be completely
removed. If you need to remove the lens, take care not to
let any dust enter the lens or the camera window as this
can adversely affect the quality of your live images.
Using The Focus Assistant
Important!
Enabled manually using the Control Button (or via the administration Web pages), the
Focus Assistant works in conjunction with the Status Indicator to provide an onboard
visual display for focusing your camera. With the Focus Assistant enabled, the Status
Indicator displays Green when the camera is focused - which means you can conveniently
focus the AXIS 2420 without having to monitor the images in a desktop browser.
Focusing Quality
The table below show the full range of colors displayed by the Status Indicator when the
Focus Assistant is enabled; where each color represents a predefined level of focus:
As an alternative to the procedures described here, you can also enable and use the Focus Assistant
directly from the Administration Tools. For more information on this, please refer to the on-line help.
Color Level of Focus (%) Focus Quality
Red 0 - 60 Poor
Yellow 60 - 80 Reasonable
Green 80 - 100 Good
Important!
all lens types.
lens type, but is NOT typical for
Lock Ring Focus Ring
Wide/Tele Zoom
an example of a commonly available
The illustration below is displayed as

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