FOCUSING LENS D28 F 150

About FOCUSING LENS D28 F 150

A D28 F150 focusing lens is an optical component used in fiber laser cutting heads to concentrate the laser beam into a precise focal point for cutting, engraving, or welding metals. It is widely used in laser heads such as Raytools BT210S and BM109 used in many fiber laser machines.

Basic Specifications

• Model: D28 F150

• Lens Diameter (D): 28 mm

• Focal Length (F): 150 mm

• Material: Optical fused silica / quartz (JGS1)

• Laser Wavelength: 1064 nm (fiber laser)

• Coating: Double-sided anti-reflection (AR) coating

• Transmission Rate: About 99%+ laser energy efficiency

• Typical Power Range: Around 1.5 kW 3 kW depending on cutting head.

Key Features

• High optical clarity and precision focusing

• High resistance to heat and thermal deformation

• Low energy loss with AR coating

• Stable performance in continuous laser cutting

• Long service life in industrial environments.