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All Products / Optics / Optical Lenses / Achromatic Lenses / Large Precision 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

140mm Dia x 1900.2mm FL Achromatic Lens, Mtd

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Stock #54-569 3-5 days
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A$2,136.00
Qty 1-5
A$2,136.00
Qty 6+
A$1,815.60
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Diameter (mm):
140.00 +0.00/-0.12
Effective Focal Length EFL (mm):
1,900.24
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
1887.58
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
123.00
Centering (arcmin):
5.00
Center Thickness CT 1 (mm):
15.42
Center Thickness CT 2 (mm):
10.92
Radius R1 (mm):
1,131.72
Radius R2 (mm):
-780.87
Radius R3 (mm):
-779.37
Radius R4 (mm):
-2704.01
Edge Thickness ET (mm):
28.61
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7 / N-SF2
Surface Quality:
60-40
f/#:
14.8
Numerical Aperture NA:
0.03
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Mount Thickness (mm):
33.07
Mounting Threads:
M138 x 1.0
Construction:
Mounted, Airspaced 0.10mm
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Offered in Cemented or Air-Spaced Designs
  • Mounted Versions Available for Easy Integration
  • Feature MgF2 Anti-Reflection Coating

TECHSPEC® Large Precision Achromatic Lenses offer near-diffraction limited performance across the designated wavelength range. These color-corrected achromatic lenses feature long focal lengths and are available in either cemented or air-spaced designs. The lenses have a MgF2 anti-reflection coating and are available in diameters up to 140mm. TECHSPEC® Large Precision Achromatic Lenses, in the mounted version, feature a male mounting thread for easy integration into optical systems. Adhesive foil spacers and mounting instructions are included for unmounted, air-spaced achromatic lenses.