Featuring contrast detection, plus fixed background suppression, Model Q3X LD50 detects targets while ignoring objects in background. Unit operates like fixed-field laser sensor and detects targets within 50 mm sensing range. However, sensor can be programmed for low-contrast sensing within this range, while ignoring objects at least 60 mm away. Offering high-speed part detection as fast as 250 µs, Model Q3X LD50 can capture up to 2,000 events/second.