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E-22-491 25mm Dia. x 50mm FL, NIR I Coated, Achromatic Lens

Fosco Connect Part No.: E-22491

  • $ 211.00 or



E-22491 25mm Dia. x 50mm FL, NIR I Coated, Achromatic Lens

Product NIR I Coating Curve

Product Drawing

Diameter (mm): 25.00 +0.0/-0.025
Effective Focal Length EFL (mm): 50.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 43.29
Focal Length Specification Wavelength (nm): 880.00
Clear Aperture CA (mm): 24.00
Centering (arcmin): <1
Center Thickness CT 1 (mm): 8.00
Center Thickness CT 2 (mm): 4.00
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 31.69
Radius R2 (mm): -28.45
Radius R3 (mm): -161.05
Edge Thickness ET (mm): 8.94
Substrate: 
Surface Quality: 40-20
f/#: 2.00
Numerical Aperture NA: 0.25
Coating: NIR I (600-1050nm)
Coating Specification: Ravg ≤0.5% @ 600 - 1050nm
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): 600 - 1050
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