Camera
The following table lists the camera specifications of your Precision 3581.
Table 16. Camera specifications
Description Values
Number of cameras
One
Camera type
● FHD RGB camera
● FHD RGB + IR camera
● FHD RGB+IR camera with Ambient Light Sensor, Express
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Camera location
Front camera
Camera sensor type
CMOS sensor technology
Camera resolution:
Still image
2.07 megapixels
Video
1920 x 1080 (FHD) at 30 fps
Infrared camera resolution:
Still image
0.23 megapixels
Video
640 x 360 at 30 fps
Diagonal viewing angle:
Camera
80 degrees
Infrared camera
86.6 degrees
Touchpad
The following table lists the touchpad specifications of your Precision 3581.
Table 17. Touchpad specifications
Description Values
Touchpad resolution:
>300 DPI
Touchpad dimensions:
Horizontal
115 mm
Vertical
67 mm
Touchpad gestures For more information about touchpad gestures available on:
● Windows, see the Microsoft knowledge base article at
support.microsoft.com
● Ubuntu, see ubuntu.com/support
Specifications of Precision 3581 19
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