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E-49-313 9mm Dia. x 12mm FL, VIS-NIR Coated, Achromatic Lens

Fosco Connect Part No.: E-49313

  • $ 122.00 or



E-49313 9mm Dia. x 12mm FL, VIS-NIR Coated, Achromatic Lens

Product VIS-NIR Coating Curve

Product ISO

Product Drawing

Diameter (mm): 9.00 +0.0/-0.025
Effective Focal Length EFL (mm): 12.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 8.33
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 8.1
Centering (arcmin): <1
Center Thickness CT 1 (mm): 5.00
Center Thickness CT 2 (mm): 2.00
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 8.37
Radius R2 (mm): -7.01
Radius R3 (mm): -26.18
Edge Thickness ET (mm): 5.30

Surface Quality: 40-20
f/#: 1.33
Numerical Aperture NA: 0.38
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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