Laser cutting head with autofocus. Without manual focusing The software automatically adjusts the focusing lens to realize automatic perforating and cutting of plates of different thicknesses. The speed of automatic focus lens adjustment is ten times faster than manual adjustment.Increased adjustment range Adjustment range of -12mm~ +10mm, precision of 0.01mm, suitable for different types of plates 0 ~ 20mm.Long life The collimator lens and focusing lens have a water-cooled heat sink, which lowers the cutting head temperature to extend the life of the cutting head.Raytools BM110 cutting head with auto focus function, can replace BM111 and BM109 Automatic focus - range: -12mm to +10mm - Speed: ≤170mm/s - Acceleration: ≤10m/s2 - Precision: 0.05mm Aperture: 28mm Nozzle specification: Single-layer, double-layer, custom Diameter of nozzle opening: 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm Auxiliary gas pressure: ≤30bar Weight: ~5.7 kg.