1mm Dia. x 1.5mm FL, MgF 2 Coated, Achromatic Doublet Lens

Product Details Specifications General Type: Achromatic Lens Physical & Mechanical Properties Diameter (mm): 1.00 +0.0/-0.025 Center Thickness CT (mm): 1.00 ±0.10 Center Thickness CT 1 (mm): 0.50 ±0.05 Center Thickness CT 2 (mm): 0.50 ±0.05 Edge Thickness ET (mm): 0.80 Clear Aperture CA (mm): 0.5 Centering (arcmin): 30-45 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 1.50 Focal Length Tolerance (%): ±2 Focal Length Specification Wavelength (nm): 587.6 Back Focal Length BFL (mm): 0.92 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More N-PSK53A / N-LASF9 f/#: 1.5 Numerical Aperture NA: 0.33 Coating: MgF 2 (400-700nm) Coating Specification: R avg ≤1.75% @ 400 – 700nm Wavelength Range (nm): 400 – 700 Radius R 1 (mm): 0.80 Radius R 2 (mm): -0.80 Radius R 3 (mm): -4.50 Surface Quality: 20-10 Power (P-V) @ 632.8nm: 1.5λ Irregularity (P-V) @ 632.8nm: λ/4 Regulatory Compliance RoHS 2015: Compliant × Reach 224: Compliant × Certificate of Conformance: View ×