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.
Important!
The illustration below is displayed as an example of a commonly available lens type, but is NOT typical for
all lens types.
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
•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.
Lock Ring | Focus Ring |
Wide/Tele Zoom
Using The Focus Assistant
Important!
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
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:
Color | Level of Focus (%) | Focus Quality | |
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Red | 0 - 60 | Poor | |
Yellow | 60 | - 80 | Reasonable |
Green | 80 | - 100 | Good |
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