E-37-414 10mm Dia., 0.67 Numerical Aperture, Uncoated, Precision Aspheric Lens material_phosphor-bronze hardened for extreme operating temperatures:

hardened for extreme operating temperatures: -40 to +75 Celsius

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E-37-414 10mm Dia., 0.67 Numerical Aperture, Uncoated, Precision Aspheric Lens material_phosphor-bronze hardened for extreme operating temperatures:E 37414 10mm Dia., 0. 67 Numerical Aperture, Uncoated, Precision Aspheric Lens Product Drawing Diameter (mm): 10. 00 +0. 00 0. 025 Effective Focal Length EFL (mm): 7. 50 @ 587. 6nm Numerical Aperture NA: 0. 67 Back Focal Length BFL (mm): 3. 35 Substrate: N SF6 Aspheric Design Wavelength (nm): 587. 6 Coating: Uncoated Centering (arcmin): <3 Surface Quality: 40 20 Clear Aperture CA (mm): 9. 00 Edge Thickness ET (mm): 5. 25 Center Thickness CT (mm): 7.