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    AI Overview
    A quality achromatic doublet lens
    corrects color distortion (chromatic aberration) by bonding two glass types (crown and flint) to bring two wavelengths (like red and blue) to the same focus, offering superior clarity for imaging, lasers, and telescopes over single lenses, with key quality indicators being specific optical constants, high transparency, AR coatings, and low wavefront aberration (<1/4 lambda) for sharp images, with brands like Thorlabs, Newport, and Edmund Optics providing high-performance options. 
    Key Characteristics of a Quality Achromatic Doublet: 
    • Color Correction: Minimizes chromatic aberration (color fringing) for sharp, clear images across different wavelengths (e.g., 400-700nm visible light).
    • Materials: Uses a combination of crown (low dispersion) and flint (high dispersion) glasses, often cemented together.
    • Optical Performance: Achieves excellent image quality with low wavefront aberration (ideally <1/4 wavelength) and controlled spherical aberration/coma.
    • Coatings: Features anti-reflection (AR) coatings for efficiency and better image contrast.
    • Applications: Used in telescopes, binoculars, laser beam collimation, and high-magnification archery sights for precise focusing. 
    How to Identify Quality: 
    • Check Specifications: Look for specified focal length tolerances, diameter tolerances, and centration (e.g., 3 arc min).
    • Material Consistency: Ensure the refractive indices match the design specifications for consistent performance.
    • Performance Data: Reputable suppliers provide Zemax files or performance curves showing wavefront error. 
    Where to Find Them: 
    • Thorlabs: Offers various ranges (UV, Visible, IR) and types (mounted, unmounted, air-spaced).
    • Newport: Provides precision achromats with excellent aberration control.
    • Edmund Optics: A major supplier for standard and custom optics.
    • Hyperion Optics & Optics Online: Offer high-quality, customizable options. 
    • Achromatic Doublet - Optics Online
      For some applications it is desirable to have a high-quality lens with a lower f/# (for example, collimating a diode laser with la...
      www.optics-online.com
    • How to Judge whether Achromatic Doublet Lens is Good or not? - Hyperion Optics
      Jan 30, 2024 — To determine the quality of an achromatic doublet lens, you can look for these indicators: * **Specific optical consta...
      Hyperion Optics
    • PAC074 Achromatic Doublet Lens - Newport
      The PAC074 Visible Achromatic Doublet Lens is a 400 to 700 nm antireflection coated, 1.5 inch (38.1 mm) diameter, N-BaF10 and N-SF...
      Newport Corporation
    Show all
    • Achromatic Doublet - Optics Online
      For some applications it is desirable to have a high-quality lens with a lower f/# (for example, collimating a diode laser with la...
      www.optics-online.com
    • How to Judge whether Achromatic Doublet Lens is Good or not? - Hyperion Optics
      Jan 30, 2024 — To determine the quality of an achromatic doublet lens, you can look for these indicators: * **Specific optical consta...
      Hyperion Optics
    • PAC074 Achromatic Doublet Lens - Newport
      The PAC074 Visible Achromatic Doublet Lens is a 400 to 700 nm antireflection coated, 1.5 inch (38.1 mm) diameter, N-BaF10 and N-SF...
      Newport Corporation
    • Achromatic Lenses - Thorlabs
      Thorlabs' achromatic lenses cover the 240 - 410 nm, 400 - 700 nm, 650 - 1050 nm, 1050 - 1620 nm, 3 - 5 µm, and 8 - 12 µm wavelengt...
      Thorlabs
    • Achromatic Doublet - Optics Online
      This performance can be achieved over a broadband of wavelength. Achromatic lenses can be used to collimate and focus laser beams.
      www.optics-online.com
    • Unmounted Achromatic Doublets, AR Coated: 400 - 700 nm
      Features. AR Coated for the 400 - 700 nm Range. Positive Doublet Sizes from Ø2 mm to Ø2" Negative Doublet Sizes from Ø1/2" to Ø2" ...
      Thorlabs
    • 365AD Achromat Doublet Bow Sight Lens | Specialty Archery
      Full anti-reflective coated optics featuring hydrophobic properties to shed and repel water. Superior image quality, definition, a...
      Specialty Archery
    • Edmund Optics Achromatic Doublet Lens - #49-289
      Dec 10, 2025 — Edmund Optics Achromatic Doublet Lens - #49-289 | MEETOPTICS.
      MEETOPTICS
    • Achromatic lens - Wikipedia
      An achromatic doublet brings red and blue light to the same focus, and is the earliest example of an achromatic lens. In an achrom...
      Wikipedia
    • Inside the thin lens design and colour correction of the achromatic doublet
      Sep 5, 2018 — The achromatic doublet is most commonly used for objectives, such as the objective lens for a telescope. It can also be...
      A Pencil of Rays
    • See Clearly || X-Focus 365 AD Dual Glass Lens
      Dec 29, 2022 — glass what works what doesn't work what's high quality what's not that great and how it will affect. or it was affecti...
      YouTube·Jeff Cordero
      4m
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    Achromatic Doublet - Optics Online


    optics-online.com
    https://www.optics-online.com › Detail
    optics-online.com
    https://www.optics-online.com › Detail
    Achromatic doublet lenses ("achromat") are designed to eliminate chromatic and spherical aberrations inherent in singlet lenses.Read more
    Quality achromatic doublet lens from www.optics-online.com

    PAC074 Achromatic Doublet Lens


    Newport Corporation
    https://www.newport.com › PAC074
    Newport Corporation
    https://www.newport.com › PAC074
    The PAC074 Visible Achromatic Doublet Lens is a 400 to 700 nm antireflection coated, 1.5 inch (38.1 mm) diameter, N-BaF10 and N-SF10 precision achromatic ...Read more
    Quality achromatic doublet lens from www.newport.com
    $145.00 · In stock · Free delivery · 30-day returns

    Edmund Optics Achromatic Doublet Lens - #49-289


    MEETOPTICS
    https://www.meetoptics.com › ... › Achromatic Lenses
    MEETOPTICS
    https://www.meetoptics.com › ... › Achromatic Lenses
    These lenses correct on-axis spherical and chromatic aberrations, making them ideal for multi-color imaging applications. MgF2 and VIS-NIR coated achromats are ...Read more

    Achromatic Lenses


    Thorlabs
    https://www.thorlabs.com › navigation
    Thorlabs
    https://www.thorlabs.com › navigation
    Our achromatic lenses are offered mounted, unmounted, and in matched pairs. We offer achromatic doublets, cylindrical achromatic doublets, and air-spaced ...Read more
    4.7 store rating (34) · 4-day delivery · 30-day returns

    Why Use an Achromatic Lens?


    Edmund Optics
    https://www.edmundoptics.com › optics › why-use-an-a...
    Edmund Optics
    https://www.edmundoptics.com › optics › why-use-an-a...
    An achromatic lens provides consistently smaller spot sizes and superior images without decreasing the clear aperture.Read more
    Quality achromatic doublet lens from www.edmundoptics.com

    Achromatic Doublet Lenses


    Knight Optical
    https://www.knightoptical.com › stock › optical-lenses
    Knight Optical
    https://www.knightoptical.com › stock › optical-lenses
    Knight Optical provide stock and custom Achromatic Doublet Lenses with available positive focal lengths from 5mm to 500mm - full metrology ...
    Quality achromatic doublet lens from www.knightoptical.com
    $71 to $75

    Custom Quality Achromatic Doublet Lens ... - UNI Optics


    UNI Optics
    https://www.uni-optics.com › quality-achromatic-doublet...
    UNI Optics
    https://www.uni-optics.com › quality-achromatic-doublet...
    UNI Optics Co.,Ltd specializes in Quality achromatic doublet lens design and assembly for many years. We have strong capability to produce custom-made ...
    Quality achromatic doublet lens from www.uni-optics.com

    Achromatic Optics – lens doublets, apochromats ...


    RP Photonics
    https://www.rp-photonics.com › Encyclopedia
    RP Photonics
    https://www.rp-photonics.com › Encyclopedia
    We offer custom doublet lenses manufacturing solutions. We perform precise gluing and coating in order to guaranty a high quality of achromatic optics. Shanghai ...Read more
  • Example: Achromatic Doublet...
  • Achromatic Prisms
  • Applications of Achromatic...

    • Unmounted Achromatic Doublets, AR Coated: 400 - 700 nm


    Thorlabs
    https://www.thorlabs.com › newgrouppage9
    Thorlabs
    https://www.thorlabs.com › newgrouppage9
    Thorlabs' cemented Achromatic Doublets are optimized to provide excellent performance in the visible region.Read more
    Quality achromatic doublet lens from www.thorlabs.com

    Achromatic Doublet Lenses


    Newport Corporation
    https://www.newport.com › achromatic-doublet-lenses
    Newport Corporation
    https://www.newport.com › achromatic-doublet-lenses
    Visible Achromatic Doublet Lenses have significantly better optical performance than singlet lenses in visible imaging and laser beam manipulation applications.Read more
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