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E-49-312 6.25mm Dia. x 60mm FL, VIS-NIR Coated, Achromatic Lens

Fosco Connect Part No.: E-49312

  • $ 115.00 or



E-49312 6.25mm Dia. x 60mm FL, VIS-NIR Coated, Achromatic Lens

Product VIS-NIR Coating Curve

Product ISO

Product Drawing

Diameter (mm): 6.25 +0.0/-0.025
Effective Focal Length EFL (mm): 60.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 58.46
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 5.625
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
2.30
Center Thickness CT 2 (mm):
1.00
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
37.16
Radius R2 (mm):
-26.28
Radius R3 (mm):
-76.48
Edge Thickness ET (mm):
3.10
Substrate: 
N-BK7 / N-SF5
Surface Quality:
40-20
f/#:
9.6
Numerical Aperture NA:
0.05
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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