The CLB-2020-130N from Laser 2000 (UK) Ltd. is a Optical Lens with Wavelength Range 546.1 nm, Focal Length -13 cm(-130 mm), Center Thickness 3.3 mm, Radius 6.747 cm(67.47 mm), Edge Thickness(ET) 4 mm. More details for CLB-2020-130N can be seen below.