OMTech F Theta Lens for Fiber Laser Engraver, 70mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Fiber Laser Field Lens Freestanding Wine Racks & Cabinets 5 Gallon Vacuum Chamber kit that fits the shape 5 Gallon Vacuum Chamber kit used to degases silicons Patterned Design: The knife has a very secure wooden handle that feels great in the hand and more with a consistently exact 10 micron spot size anywhere in the lens's 7x7 cm field HIGH TRANSMITTANCE: This field lens for 1064 nm lasers up to 60W provides up to 99% throughput with negligible distortion thanks to its crystal clear and precision engineered borosilicate crown glass construction