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Aspheric Lenses

Aspheric Lenses

CNC polished, precision aspherical lenses are designed for diffraction-limited performance. We offer plano-convex aspherical lenses made of N-BK7, S-LAH64 or UVFS. Lenses can be supplied with a range of anti-reflective coatings.

from 165 $
delivery Estimated delivery time: 4 - 5 days
Qty discount: 5-9 pcs. of the same item - 5% OFF! 10+ pcs. 10% OFF!
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Plano-Convex Aspheric Lenses
Code Substrate Diameter CT EFL BFL NA Price Delivery Add to cart
i 116-1210 S-LAH64 12.5 mm 4.3 mm 10 mm 7.6 mm 0.544 165 $ Request
i 117-1220 UVFS 12.7 mm 4.4 mm 20 mm 17.0 mm 0.275 341 $ 4 - 5 days
i 117-1225 UVFS 12.7 mm 3.8 mm 25 mm 22.4 mm 0.223 336 $ 4 - 5 days
i 115-1225 N-BK7 12.5 mm 4.0 mm 25 mm 22.4 mm 0.227 165 $ 4 - 5 days
i 117-1215 UVFS 12.7 mm 5.3 mm 15 mm 11.4 mm 0.356 341 $ 4 - 5 days
i 117-1230 UVFS 12.7 mm 3.5 mm 30 mm 27.6 mm 0.187 330 $ 4 - 5 days
i 117-1240 UVFS 12.7 mm 5.5 mm 40 mm 36.2 mm 0.144 325 $ 4 - 5 days
i 116-2520 S-LAH64 25.0 mm 7.6 mm 20 mm 15.7 mm 0.543 220 $ 4 - 5 days
i 115-2550 N-BK7 25.0 mm 6.0 mm 50 mm 46 mm 0.232 220 $ 4 - 5 days
i 115-2532 N-BK7 25.0 mm 7.0 mm 32 mm 27.4 mm 0.359 220 $ 4 - 5 days
i 117-2520 UVFS 25.4 mm 14.7 mm 20 mm 9.9 mm 0.496 495 $ 4 - 5 days
i 117-2525 UVFS 25.4 mm 10.5 mm 25 mm 17.8 mm 0.416 484 $ 4 - 5 days
i 117-2530 UVFS 25.4 mm 8.0 mm 30 mm 24.5 mm 0.398 396 $ Request
i 117-2540 UVFS 25.4 mm 6.0 mm 40 mm 35.9 mm 0.292 391 $ 4 - 5 days
i 117-2550 UVFS 25.4 mm 5.0 mm 50 mm 46.6 mm 0.232 385 $ 4 - 5 days
i 117-2560 UVFS 25.4 mm 5.0 mm 60 mm 56.6 mm 0.192 385 $ Request
i 116-5040 S-LAH64 50.0 mm 15.5 mm 40 mm 31.3 mm 0.554 385 $ 4 - 5 days
i 115-5100 N-BK7 50.0 mm 10.0 mm 100 mm 93.4 mm 0.237 385 $ 4 - 5 days
i 117-5050 UVFS 50.8 mm 18.9 mm 50 mm 37.0 mm 0.416 759 $ Request
i 117-5060 UVFS 50.8 mm 15.2 mm 60 mm 49.5 mm 0.356 748 $ Request
i 117-5075 UVFS 50.8 mm 12.1 mm 75 mm 66.7 mm 0.292 737 $ 4 - 5 days
i 117-5100 UVFS 50.8 mm 9.36 mm 100 mm 93.6 mm 0.223 715 $ 4 - 5 days
Refractive index N-BK7 - 1.517
UVFS - 1.453
S-LAH64 - 1.788
Design wavelength 780 nm
Surface quality 40-20 scratch & dig (uncoated)
Clear aperture >90% of diameter
Diameter tolerance +0.0, -0.05 mm
Bevel 0.3 mm max @ 45°
Center thickness tolerance ≤0.05 mm
EFL tolerance ≤0.1%
Asphere figure error P-V ±1 µm (<0.6 µm available on request)
Surface form deviation RMS ≤0.5 µm
Centration <3 arc min
EKSMA Optics Aspheric Lenses
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Aspherical lenses are designed to reduce spherical aberration. Complex multi-lens systems designed for compensation of spherical aberration can often be replaced with a single aspheric lense. We offer ex-stock delivery of CNC polished precision plano-convex aspherical lenses made of N-BK7, high refractive index N-LAH64 glass or UV fused silica.

We can produce aspherical lenses of custom design using your drawings or specifications in our CNC lens polishing facility. 

  • Material: UVFS, N-BK7, S-LAH64 or other glasses
  • Diameter: from 10 mm to 120 mm
  • Can be supplied with AR coatings under request