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All Products / Optics / Optical Lenses / Achromatic Lenses / MgF2 Coated Achromatic Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Dia. x 100mm FL, MgF2 Coated, Achromatic Doublet Lens

MgF2 Coated Achromatic Lenses

MgF<sub>2</sub> Coated Achromatic Lenses Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #32-327 In Stock
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Other Coating Options
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€105,00
Qty 1-5
€105,00
Qty 6+
€84,00
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Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
100.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
95.92
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
24.00
Centering (arcmin):
<1
Center Thickness CT (mm):
8.50 ±0.20
Center Thickness CT 1 (mm):
6.00 ±0.10
Center Thickness CT 2 (mm):
2.50 ±0.10
Radius R1 (mm):
61.47
Radius R2 (mm):
-44.64
Radius R3 (mm):
-129.94
Edge Thickness ET (mm):
6.61
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7 / N-SF5
Surface Quality:
40-20
f/#:
4.00
Numerical Aperture NA:
0.13
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

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
View
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Product Family Description

  • Designed for 0° Angle of Incidence
  • Less Than 1.75% Reflectance Per Surface @ 400 - 700nm
  • VIS 0° and VIS-NIR Coated Achromats Also Available

TECHSPEC ® MgF2 Coated Achromatic Lenses consist of two optical components cemented together to form an achromatic doublet which is computer optimized to correct for on-axis spherical and chromatic aberrations. These lenses feature a single layer of MgF2 which provides less than 1.75% reflectivity from 400 – 700nm. TECHSPEC MgF2 Coated Achromatic Lenses are best for applications involving multi-color (white light) imaging due to their specific doublet lens pairing that enables them to correct the color separation inherent in glass. Having eliminated the problematic chromatic aberrations, achromatic doublet lenses become the most cost-efficient means for polychromatic illumination and imaging.