QObject::connect(m_aperture, SIGNAL(valueChanged()), this, SIGNAL(valueChanged()));
QObject::connect(m_aperture, SIGNAL(minimumValueChanged()), this, SIGNAL(minimumChanged()));
QObject::connect(m_aperture, SIGNAL(maximumValueChanged()), this, SIGNAL(maximunmChanged()));
QObject::connect(m_aperture, SIGNAL(valueChanged()), this, SIGNAL(valueChanged()));
QObject::connect(m_aperture, SIGNAL(minimumValueChanged()), this, SIGNAL(minimumChanged()));
QObject::connect(m_aperture, SIGNAL(maximumValueChanged()), this, SIGNAL(maximunmChanged()));