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Benefit from IR light in low-light conditions by using night mode
Your camera uses visible light to deliver color images during the day. But as the visible light diminishes, color
images become less bright and clear. If you switch to night mode when this happens, the camera uses both
visible and near-infrared light to deliver bright and detailed black-and-white images instead. You can set the
camera to switch to night mode automatically.
1. Go to Video > Image > Day-night mode, and make sure that the IR-cut filter is set to Auto.
2. To set at what light level you want the camera to switch to night mode, move the Threshold slider
toward Bright or Dark.
3. To use the built-in IR light when the camera is in night mode, turn on Allow illumination and
Synchronize illumination.
4. If you use an accessory IR illuminator, turn on Allow illumination and Synchronize illumination to use
IR light when the camera is in night mode.
Note
If you set the switch to night mode to occur when it’s brighter, the image remains sharper as there is less
low-light noise. If you set the switch to occur when it’s darker, the image colors are maintained for longer,
but there is more image blur due to low-light noise.
Reduce noise in low-light conditions
Note
Low-light settings are only available for the visual channel.
To reduce noise in low-light conditions, you can adjust one or more of the following settings:
• Adjust the trade-off between noise and motion blur. Go to Video > Image > Exposure and move the
Blur-noise trade-off slider toward Low noise.
• Set the exposure mode to automatic.
Note
A high max shutter value can result in motion blur.
• To slow down the shutter speed, set max shutter to the highest possible value.
Note
When you reduce the max gain, the image can become darker.
• Set the max gain to a lower value.
• If there is an Aperture slider, move it towards Open.
• Reduce sharpness in the image, under Video > Image > Appearance.
If the above settings do not improve the image sufficiently, change to a lens with a lower f-value.
Maximize the details in an image
Important
If you maximize the details in an image, the bitrate will probably increase and you might get a reduced
frame rate.
• Make sure to select the capture mode that has the highest resolution.
• Go to Video > Stream > General and set the compression as low as possible.
• Below the live view image, click and in Video format, select MJPEG.
• Go to Video > Stream > Zipstream and select Off.
AXIS Q8752-E Mk II Bispectral PTZ Network Camera
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