IDS peak 2.10.0 / uEye+ firmware 3.34

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FocusStepper controls the steper value of the focus, e. g. ObjectSensorDistance or FocalPower. 0 is the closest focus.

•uEye+ XC USB 3: Small values mean that the lens focuses at close range, while great values mean that the lens focuses towards infinity.

•uEye+ LE USB 3.1 AF Rev. 1.2: The value "0" means that the lens is not focused. Small values mean that the lens focuses towards infinity, while great values mean that the lens focuses at close range.

Fig. :  Objekt-Sensor-Distanz

Note that FocusStepper is read-only, if FocusAuto is set to "Once" or "Continuous". FocusStepper is writeable, if FocusAuto is set to "Off".

Code example

C++

// Before accessing FocusStepper, make sure OpticControllerSelector is set correctly
// Set OpticControllerSelector to "OpticController0"
nodeMapRemoteDevice->FindNode<peak::core::nodes::EnumerationNode>("OpticControllerSelector")->SetCurrentEntry("OpticController0");
// Determine the current FocusStepper
int64_t value = nodeMapRemoteDevice->FindNode<peak::core::nodes::IntegerNode>("FocusStepper")->Value();
// Set FocusSTepper to 100
nodeMapRemoteDevice->FindNode<peak::core::nodes::IntegerNode>("FocusStepper")->SetValue(100);

C#

// Before accessing FocusStepper, make sure OpticControllerSelector is set correctly
// Set OpticControllerSelector to "OpticController0"
nodeMapRemoteDevice.FindNode<peak.core.nodes.EnumerationNode>("OpticControllerSelector").SetCurrentEntry("OpticController0");
// Determine the current FocusStepper
long value = nodeMapRemoteDevice.FindNode<peak.core.nodes.IntegerNode>("FocusStepper").Value();
// Set FocusStepper to 100
nodeMapRemoteDevice.FindNode<peak.core.nodes.IntegerNode>("FocusStepper").SetValue(100);

Python

# Before accessing FocusStepper, make sure OpticControllerSelector is set correctly
# Set OpticControllerSelector to "OpticController0" (str)
nodeMapRemoteDevice.FindNode("OpticControllerSelector").SetCurrentEntry("OpticController0")
# Determine the current FocusStepper (int)
value = nodeMapRemoteDevice.FindNode("FocusStepper").Value()
# Set FocusStepper to 100 (int)
nodeMapRemoteDevice.FindNode("FocusStepper").SetValue(100)