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Achromatic Lenses with AR coating at visible range
Broadband AR Coated Achromatic Lenses(Doublet Lenses)

Broadband AR Coated Achromatic Lenses(Doublet Lenses)

Achromatic Lenses are used to minimize or eliminate chromatic aberration. The achromatic design also helps minimize spherical aberrations. Achromatic Lenses are ideal for a range of applications, including fluorescence microscopy, image relay, inspection, or spectroscopy. Achromatic Lenses, which are often designed by either cementing two elements together or mounting the two elements in a housing, create smaller spot sizes than comparable singlet lenses.

  • product origin:

    China

  • shipping port:

    Fuzhou China

  • lead time:

    4 working weeks

  • payment:

    T/T Payment, Western Union
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  • description

1. What do you mean by achromatic combination?


An achromatic lens can be defined as a lens which is made by acombination of two different types of lenses carrying different focal powers in a manner such that the images formed by the light of both the combined lenses are free from chromatic aberration or achromatism.


2. What are achromatic lenses used for?


Achromatic Lenses are used to minimize or eliminate chromatic aberration. The achromatic design also helps minimize spherical aberrations. Achromatic Lenses are ideal for a range of applications, including fluorescence microscopy, image relay, inspection, or spectroscopy.


3. What can we do for you ?


Achromatic Lenses

Cemented Achromatic Doublets
Cemented Achromatic Triplets
Achromatic Doublet Pairs
Negative Achromatic Lenses
Achromatic Cylindrical Lenses
Near UV Achromatic Lenses
Near-IR (NIR) Achromatic Lenses 
UV-to-NIR Corrected Triplets



Specification


Material:

 Crown Glass&Flint Glass CDGM, Schott, Ohara etc
Dimension Tolerance:
  ±0.1mm(Standard), ±0.01mm(High Precision)
Center Thickness Tolerance:
  ±0.1mm(Standard), ±0.05mm(High Precision)
Paraxial Focal Length:
  ±2%
Surface quality:
  60/40(Standard), 20/10(High Precision)
Clear Aperture:
  >85%
Surface Figure:
  λ/2(Standard), λ/4(High Precision) @633nm
Centration:
  3 arc minutes
Bevel:
  <0.25mm×45°
Coating:
 Upon requirement


Part No. F(mm) Φ
(mm) 		Nd A Nd B R1
(mm) 		R2=R3
(mm) 		R4
(mm) 		Tc1
(mm) 		Tc2
(mm) 		Fb
(mm)
ULAC020006 20 6 BK7 SF5 12.36 -8.51 -24.38 2.6 1.0 18.29
ULAC025006 25 6 BK7 SF5 15.7 -10.66 -29.99 2.3 1.0 23.45
ULAC030006 30 6 BK7 SF5 18.88 -12.94 -34.68 1.9 1.0 28.69
ULAC025008 25 8 BK7 SF5 15.6 -10.81 -30.48 2.9 1.0 23.12
ULAC030008 30 8 BK7 SF5 18.88 -12.88 -36.22 2.7 1.0 28.27
ULAC025127 25 12.7 BK7 SF5 15.6 -11.40 -31.05 4.3 1.3 22.25
ULAC030127 30 12.7 BK7 SF5 18.53 -13.49 -37.84 4.0 1.3 27.36
ULAC040127 40 12.7 BK7 SF5 25.23 -17.54 -48.75 3.4 1.3 37.77
ULAC050127 50 12.7 BK7 SF5 31.26 -21.93 -62.37 3.1 1.3 47.99
ULAC075127 75 12.7 BK7 SF5 46.77 -32.96 -94.62 2.6 1.3 73.23
ULAC040018 40 18 BK7 SF5 24.27 -18.35 -53.09 5.4 1.5 36.51
ULAC050018 50 18 BK7 SF5 31.69 -22.00 -60.57 4.8 1.5 46.98
ULAC060018 60 18 BK7 SF5 37.84 -26.49 -73.79 4.1 1.5 57.3
ULAC080018 80 18 BK7 SF5 49.55 -36.81 -165.58 3.4 1.5 77.41
ULAC060254 60 25.4 BK7 SK5 37.33 -27.16 -75.86 7.0 2.0 55.56
ULAC120254 120 25.4 BK7 SF5 73.28 -54.33 -159.96 4.2 2.0 117.1
ULAC025127N -25 12.7 BK7 F2 -15.6 13.09 44.16 3.0 2.7 27.5
ULAC050254N -50 25.4 BK7 F2 -31.19 24.89 85.31 3.0 4.2 53.3


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Custom Truncated Doublet and Singlet Lenses from UNI Optics


We offer an extensive custom truncated doublet lens service. With our 30 year heritage of experience in the industry means we can always find the right product and specification for you, whether you require exotic materials, or exceptionally tight tolerances, we are confident in our ability to supply to your complete satisfaction. The table below is a brief overview of our doublet lens  and is not an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.es and is n’t an exhaustive list. If your individual requirements are not met, then please contact our technical sales team who will be happy to advise.


Typical Specifications:


Typical materials: Flint (N/F2) and Crown (BK7)
                             Flint (SF6) and Crown (N-LAK22)
                             UV & IR materials on request
Diameter: 3mm to 200mm+
Focal length: 3mm to 1000mm+
Centration: < 3 arcseconds
Surface figure: < 0.1 fringe
Surface quality: < 10/5 Scratch/dig
Coating options: Single layer and BBAR coatings for UV/VIS/NIR with R.avg.<0.25%

More information on the achievable specifications for your individual application can be found by contacting our technical sales team. 

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