Optical Components - Mounted Standard Iris, Mounted Standard Irismin Diameter = 2.5mmmax Diameter = 50mmpost=12.7mmno.of Leaves=16, Mounted Standard Irismin Diameter = 1.4mmmax Diameter = 25mmpost=12.7mmno.of Leaves=14, High Precision Rotation Mountdiameter= 12.7cm3600 Continuous Coarse Rotationideal For 1/2\" Polarization Optics, 20x Achromatic Galilean Beam Expanderexpansion = 20xmax Input Diameter = 2.2mminput Thread = Internal: Sm05external: Sm1output Thread= Sm2, Convex Lens, Convex Lensdiameter= 12.7mmfocal Length = 100mmradius Of Curvature = 102.6mmcentre Thickness = 2.2mmedge Thickness = 1.8mmback Focal Length = 99.3mm, Convex Lensdiameter= 12.7mmfocal Length = 50mmradius Of Curvature = 51.1mmcentre Thickness = 2.6mmedge Thickness = 1.8mmback Focal Length = 49.1mm, Lens Mountdiameter =12.7mmtap=m3, Mirrordiameter = 12.5mmwavelength= 400-750nm, Mirror Mountdiameter = 12.5mmtap=m3