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E-49-943 18mm Dia. x 22.5mm FL, VIS 0° Coated, Achromatic Lens

Fosco Connect Part No.: E-49943

  • $ 156.00 or



E-49943 18mm Dia. x 22.5mm FL, VIS 0° Coated, Achromatic Lens

Product VIS 0 Coating Curve

Product ISO

Product Drawing

Diameter (mm): 18.00 +0.0/-0.025
Effective Focal Length EFL (mm): 22.50
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 16.39
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 17.00
Centering (arcmin): <1
Center Thickness CT 1 (mm): 8.70
Center Thickness CT 2 (mm): 3.00
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 15.83
Radius R2 (mm): -12.65
Radius R3 (mm): -47.42
Edge Thickness ET (mm): 8.03

Surface Quality: 40-20
f/#: 1.25
Numerical Aperture NA: 0.40
Coating: VIS 0° (425-675nm)
Coating Specification: Ravg ≤0.4% @ 425 - 675nm
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): 425 - 675
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