4mm Dia. x 12mm FL, VIS-EXT Coated, Plano-Convex Lens

Product Details Visible Broadband Anti-Reflection Coating with Extended UV Performance AR Coated to Provide <0.5% Reflectance per Surface for 350 - 700nm Designed for 0° Angle of Incidence Various PCX Coating Options: Uncoated , MgF 2 , VIS 0° , VIS-NIR , NIR I , NIR II , and YAG-BBAR TECHSPEC VIS-EXT Coated Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. TECHSPEC VIS-EXT Coated Plano-Convex (PCX) Lenses are available in a wide variety of diameters and focal lengths. Identical designs of these PCX lenses are also offered uncoated or with broadband anti-reflective (BBAR) coatings, which include MgF2 , VIS 0° , VIS-NIR , NIR I , NIR II , and YAG-BBAR. Specifications General Type: Plano-Convex Lens Physical & Mechanical Properties Diameter (mm): 4.00 Center Thickness CT (mm): 1.40 ±0.05 Edge Thickness ET (mm): 1.02 Centering (arcmin): <1 Clear Aperture CA (mm): 3.6 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 12.00 @ 587.6 Back Focal Length BFL (mm): 11.04 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) f/#: 3 Coating: VIS-EXT (350-700nm) Coating Specification: R avg <0.5% @ 350 - 700nm Wavelength Range (nm): 350 - 700 Surface Quality: 20-10 Power (P-V) @ 632.8nm: 3λ Irregularity (P-V) @ 632.8nm: λ/2 Focal Length Tolerance (%): ±1 Radius R 1 (mm): 5.50 Numerical Aperture NA: 0.17 Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 5 J/cm2 @ 532nm, 10ns Regulatory Compliance Certificate of Conformance: View ×