The CLSQ-20100-130P from Laser 2000 (UK) Ltd. is a Optical Lens with Wavelength Range 546.1 nm, Focal Length 13 cm(130 mm), Center Thickness 4 mm, Radius 5.98 cm(59.8 mm), Edge Thickness(ET) 3.2 mm. More details for CLSQ-20100-130P can be seen below.