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E-45-089 3mm Dia. x 6mm FL, MgF2 Coated, Achromatic Doublet Lens

Fosco Connect Part No.: E-45089

  • $ 175.00 or



E-45089 3mm Dia. x 6mm FL, MgF2 Coated, Achromatic Doublet Lens

Product Family Description

  • Designed for 0° Angle of Incidence
  • Less Than 1.75% Reflectance Per Surface @ 400 - 700nm
Diameter (mm): 3.00 +0.0/-0.025
Effective Focal Length EFL (mm): 6.00
Focal Length Tolerance (%): ±2
Back Focal Length BFL (mm): 4.33
Focal Length Specification Wavelength (nm): 587.6
Clear Aperture CA (mm): 2.7
Centering (arcmin): <3
Center Thickness CT 1 (mm): 1.97
Center Thickness CT 2 (mm): 1.03
Center Thickness Tolerance (mm): ±0.2
Radius R1 (mm): 4.13
Radius R2 (mm): -2.36
Radius R3 (mm): -21.70
Edge Thickness ET (mm): 2.67

Surface Quality: 20-10
f/#: 2.00
Numerical Aperture NA: 0.25
Coating: MgF2 (400-700nm)
Coating Specification: Ravg ≤1.75% @ 400 - 700nm
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 - 700

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