12.5 x 12.5mm, 0.20 Numerical Aperture, Uncoated, Square Precision Aspheric Lens

Product Details Rectangular and Square Aspheres in 5 x 5mm to 12.5 x 25mm sizes Precision Grade Aspheric Figure Error Ideal for Integration into Space Sensitive Laser Systems TECHSPEC Truncated Precision Aspheric Lenses are truncated versions of our TECHSPEC Precision Aspheric Lenses . These aspheric lenses are CNC polished to achieve a 0.4λ (Waves) RMS aspheric figure error and then cut to square or rectangular sizes. The precision aspheric figure error of these lenses makes them advantageous for demanding imaging or laser systems requiring spherical aberration correction. TECHSPEC Truncated Precision Aspheric Lenses with their space saving form factors are ideal for integration into medical devices, life science instrumentation, and industrial laser systems. Please contact us if your application requires a TECHSPEC Aspheric Lens truncated to meet specific size requirements. Specifications General Type: Aspheric Lens Physical & Mechanical Properties Dimensions (mm): 12.50 x 12.50 Center Thickness CT (mm): 11.50 ±0.10 Edge Thickness ET (mm): 10.27 Clear Aperture CA (mm): 11.50 x 11.50 Centering (arcmin): <3 Shape of Back Surface: Plano Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 31.25 @ 587.6nm Back Focal Length BFL (mm): 23.67 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More N-BK7 f/#: 2.50 Numerical Aperture NA: 0.20 Coating: Uncoated Wavelength Range (nm): 350 - 2200 Surface Quality: 40-20 Asphere Figure Error, RMS @ 632.8nm: 0.4λ Conjugate Distance: Infinite Power (diopters): 32.00 Regulatory Compliance Certificate of Conformance: View ×