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E-47-647 25mm Dia. x 250mm FL, VIS 0° Coated, Achromatic Lens

Fosco Connect Part No.: E-47647

  • $ 181.00 or



E-47647 25mm Dia. x 250mm FL, VIS 0° Coated, Achromatic Lens

Product VIS 0 Coating Curve

Product ISO

Product Drawing

Diameter (mm): 25.00 +0.0/-0.025
Effective Focal Length EFL (mm): 250.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 246.63
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 24.00
Centering (arcmin): <1
Center Thickness CT 1 (mm): 5.00
Center Thickness CT 2 (mm): 2.50
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 160.73
Radius R2 (mm): -105.64
Radius R3 (mm): -295.75
Edge Thickness ET (mm): 6.75

Surface Quality: 40-20
f/#: 10.00
Numerical Aperture NA: 0.05
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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