Item No.: HY-SMFV50-L Angle:50° Source:EEL/VCSEL Material:Optical resins Wavelength:632/850/905/940nm Focal length:0.2mm Input beam diameter:Max 0.9mm Lens face shape:Aspheric / Freeform Spot shape:Linear Uniformity:≥85% Operation temperature:-20°C~80°C Need to be associated with the collimating lens to use.