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E-83-980 2mm Dia. x 9mm FL, VIS-NIR Coated, Achromatic Lens

Fosco Connect Part No.: E-83980

  • $ 363.00 or



E-83980 2mm Dia. x 9mm FL, VIS-NIR Coated, Achromatic Lens

Product VIS-NIR Coating Curve

Product ISO

Product Drawing

Diameter (mm): 2.00 +0.0/-0.025
Effective Focal Length EFL (mm): 9.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 8.00
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 1.6
Centering (arcmin): <3
Center Thickness CT 1 (mm): 1.00
Center Thickness CT 2 (mm): 1.00
Center Thickness Tolerance (mm): ±0.1
Radius R1 (mm): 5.38
Radius R2 (mm): -5.38
Radius R3 (mm): -20.79
Edge Thickness ET (mm): 1.88

Surface Quality: 20-10
f/#: 4.5
Numerical Aperture NA: 0.11
Coating: VIS-NIR (400-1000nm)
Coating Specification: Rabs ≤0.25% @ 880nm, Ravg ≤1.25% @ 400 - 870nm, Ravg ≤1.25% @ 890 - 1000nm
Power (P-V) @ 632.8nm: 1.5λ
Irregularity (P-V) @ 632.8nm: λ/4
Bevel: Protective bevel as needed
Type: Achromatic Lens
Wavelength Range (nm): 400 - 1000
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