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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

8mm Dia x 12.5mm EFL Hastings Triplet Achromatic Lens

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Stock #13-521 Contact Us
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S$156.60
Qty 1-5
S$156.60
Qty 6+
S$125.42
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Diameter (mm):
8.00 +0.0/-0.025
Effective Focal Length EFL (mm):
12.50
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
9.82
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<3
Center Thickness CT (mm):
7.23
Center Thickness A (mm):
5.23
Center Thickness B (mm):
1.00
Radius R1 (mm):
9.40
Radius R2 (mm):
4.805
Radius R3 (mm):
-4.805
Radius R4 (mm):
-9.395
Edge Thickness ET (mm):
5.44
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-F2 / N-BK7 / N-F2
Surface Quality:
40-20
f/#:
1.56
Numerical Aperture NA:
0.32
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 Triplet Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 219:
Compliant
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Certificate of Conformance:
View
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Product Family Description

  • Unique, 3-Element Design
  • MgF2 Coated
  • Steinheil Triplet Achromatic Lenses also Available

TECHSPEC® Hastings Triplet Achromatic Lenses feature a unique, three-element design that provides distortion free, color-correct viewing. These lenses are computer designed to interact with each other, contributing to the reduction or elimination of “pincushion” distortion, in addition to chromatic and spherical aberrations. TECHSPEC® Hastings Triplet Achromatic Lenses are composed of two concave meniscus elements cemented to a double-convex lens. These lenses are AR coated with MgF2, making them ideal for performance in the VIS range.