Teledyne Linea CL LA-CM-08K08A User Manual page 41

In 2 x 2 binning, 4 physical pixels on the sensor are combined into one image pixel. This operating
mode is ideal for applications that require faster acquisition and processing times and require
greater signal collection.
For this camera, the default binning value is 1 x 1,
The Vertical Binning and Horizontal Binning features in the Image Format category
represents the number of horizontal pixels that will be combined (added) together.
Linea CL Series Camera Camera Operation  39