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E-12-927 11.2mm CA, 40mm FL, Mounted MgF2 Coated Achromatic Doublet Lens

Fosco Connect Part No.: E-12927

  • $ 148.00 or



E-12927 11.2mm CA, 40mm FL, Mounted MgF2 Coated Achromatic Doublet Lens

Product MGF2 Coating Curve

Product Drawing

Effective Focal Length EFL (mm): 40.00
Substrate: 
f/#: 3.2
Numerical Aperture NA: 0.16
Coating: MgF2 (400-700nm)
Type: Achromatic Lens
Wavelength Range (nm): 400 - 700
Back Focal Length BFL from Housing (mm): 36.84
Bevel: Protective bevel as needed
Clear Aperture CA (mm): 11.2
Coating Specification: Ravg ≤1.75% @ 400 - 700nm
Edge Thickness ET (mm): 3.88
Focal Length Specification Wavelength (nm): 587.6
Focal Length Tolerance (%): ±2
Radius R1 (mm): 24.77
Radius R2 (mm): -18.01
Radius R3 (mm): -51.17
Surface Quality: 40-20
Lens Included: #E-32315
Mount Included: #E-54623
Mount Diameter (mm): 30.0
Extension Length (mm): 14.0
Total Length (mm): 18.0
Thread Type: C-Mount
Power (P-V) @ 632.8nm: 1.5λ
Irregularity (P-V) @ 632.8nm: λ/4

Product Family Description

  • Pre-mounted in Engraved C-Mount Housings
  • Simplify Integration into Optical Systems
  • Less than 1.75% Reflectance per Surface @ 400 - 700nm

TECHSPEC® Mounted MgF2 Coated Achromatic Lenses feature our TECHSPEC MGF2 Coated Achromatic Lenses pre-mounted in C-Mount housings to simplify their integration into optical systems. Designed for the visible spectrum, these lenses are coated with a single layer MgF2 anti-reflection coating to increase light transmission. Each C-Mount housing is laser engraved with the stock number and focal length for easy identification. TECHSPEC Mounted MgF2 Coated Achromatic Lenses are ideal for C-Mount optical systems that require on-axis spherical and chromatic aberrations to be eliminated.

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