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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

128mm Dia x 1900.2mm FL Achromatic Lens

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Stock #70-163 14 In Stock
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€1.355,48
Volume Pricing
Qty 1-5 €1.355,48 each
Qty 6-25 €1.219,52 each
Qty 26-49 €1.151,54 each
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Prices shown are exclusive of VAT/local taxes
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Specifications

General

Type:
Achromatic Lens

Physical & Mechanical Properties

Diameter (mm):
128.02 +0.00/-0.12
Clear Aperture CA (mm):
124.50
Centering (arcmin):
5.00
Center Thickness CT 1 (mm):
15.42
Center Thickness CT 2 (mm):
10.92
Radius R4 (mm):
-2704.01
Edge Thickness ET (mm):
23.87
Construction:
Unmounted, Airspaced 0.10mm
Bevel:
Protective as needed

Optical Properties

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
Radius R1 (mm):
1,131.72
Radius R2 (mm):
-780.87
Radius R3 (mm):
-779.37
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
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 197:
Compliant
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Certificate of Conformance:
View
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Product Details

  • 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. 

Technical Information

Coating Curves