... LensesFeatures:High Precision Dimension Control,Optional Substrate Material.Applications:Optical Measurement Systems, Projietion Optics Systems, Imaging Optics Systems, ... to minimize the distance needed from the Ball Lens to the optical fiber. Edmund Optics offers a variety of ... quality: 60/40Clear Aperture: >85%Surface Figure: λ/2 @633nmCentration: 3 arc minutesNote: Diameter: available from Φ1.0mm to ...