Accessibility Links

Skip to main contentAccessibility help
Accessibility feedback
Celebrating Winter Sports 2026
Celebrating Winter Sports 2026
Go to Google home
Press / to jump to the search box
Choose what you’re giving feedback on
  • Delete
  • See more
  • Delete
    • See more
    • Report inappropriate predictions
    Quick Settings
    Sign in

    Filters and Topics

    AI Mode
    All
    Images
    Shopping
    Short videos
    Videos
    Forums
    More
    News
    Books
    Web
    Maps
    Tools
    Any time
    Any time
    Past hour
    Past 24 hours
    Past week
    Past month
    Past year
    Custom range...
    Custom date range
    Go
    All results
    All results
    Verbatim
    Advanced Search
    About 84,200 results (0.23s) 
    Ctrl+Shift+X to select

    Search Results

    AI Overview

    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Experimental quality positive meniscus lenses are
    specialized convex-concave, center-thickened optical components designed to reduce spherical aberration, minimize spot size, and increase the numerical aperture (NA) of imaging or laser systems. Often used to shorten the focal length of an existing lens system, these lenses are frequently made from N-BK7, UV Fused Silica, or CaF2, offering high-precision performance suitable for research, laser processing, and experimental setups. 
    Key Characteristics and Applications 
    • Design: These lenses have one convex and one concave surface, with a greater curvature on the convex side, making them thicker in the center.
    • Performance: They are specifically designed to minimize spherical aberrations. When used with another lens, they increase the system's numerical aperture (NA) and shorten the effective focal length.
    • Typical Applications: Ideal for laser beam focusing to reduce spot diameter, beam condensation in illumination systems, and improving image quality in optical systems. They are effective for focal numbers less than 2.5.
    • Material Options: While N-BK7 glass is common for visible light, alternatives like UV Fused Silica, Calcium Fluoride (
      CaF2cap C a cap F sub 2
      𝐶𝑎𝐹2
      ), or Zinc Selenide (ZnSe) are available for specialized ultraviolet or infrared applications.
    • Orientation: For optimal reduction of spherical aberration when focusing a collimated beam, the convex side of the lens should generally face the source.
    • Common Specifications: Often available with surface quality ratings like 40-20 scratch-dig, featuring high-precision tolerances for research-grade applications. 
    Manufacturers of these specialized components often provide customization services for specific diameters, curvatures, and coatings to meet unique optical requirements. 
    • Meniscus Lenses - Heli Optical Systems
      Meniscus Lens are identified by having one convex surface and one concave surface. Within this, Meniscus lens are categorized as P...
      Heli Optical Systems
    • N-BK7 Positive Meniscus Lenses - Thorlabs
      These coatings greatly reduce the 4% loss per surface incurred when using an uncoated lens (see the Graphs tab for details). Posit...
      Thorlabs
    • Meniscus Lenses: Positive, Negative Convex-concave Lens
      Meniscus Lens: ... In contrast, a Negative Meniscus Lens is more curved on the concave side than on the convex side, and its centr...
      Shalom EO
    • Experimental Quality Positive Meniscus Lenses
      China supplier of laser crystals - Experimental Quality Positive Meniscus Lenses offered by HG OPTRONICS.,INC. We provide customiz...
      www.hgoptronics.com
    • Thorlabs Positive Meniscus Lens - LE5838-E1 - MEETOPTICS
      Feb 11, 2026 — Surface Quality: 40-20 scratch-dig. Thickness Tolerance: ±0.1 mm. Type of Curvature: Positive Meniscus. Supplier Location: New Jer...
      MEETOPTICS
    • Positive Meniscus Lenses | Edmund Optics
      Positive Meniscus Lenses are convex-concave lenses manufactured from N-BK7 optical glass and are designed to minimize spherical ab...
      Edmund Optics
    • Meniscus Positive Lenses | Convex-Concave, CXCV - Alien Photonics
      Positive meniscus lens can reduce spherical aberrations in optical systems. By carefully choosing and adjusting the curvatures of ...
      Alien Photonics
    • Positive, Negative, Meniscus Lens - Oplens
      The positive meniscus lens is used for applications requiring small focal numbers (less than 2.5). For focal lengths between 2.5 a...
      www.oplens.com
    • Meniscus Lenses - Heli Optical Systems
      Meniscus Lens are identified by having one convex surface and one concave surface. Within this, Meniscus lens are categorized as P...
      Heli Optical Systems
    • N-BK7 Positive Meniscus Lenses - Thorlabs
      These coatings greatly reduce the 4% loss per surface incurred when using an uncoated lens (see the Graphs tab for details). Posit...
      Thorlabs
    • Meniscus Lenses: Positive, Negative Convex-concave Lens
      Meniscus Lens: ... In contrast, a Negative Meniscus Lens is more curved on the concave side than on the convex side, and its centr...
      Shalom EO
    Show all
    Dive deeper in AI Mode
    AI responses may include mistakes. Learn more
    Share
    This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply.
    Facebook
    WhatsApp
    X
    Email
    Click to copy link
    Share link
    Link copied
    Share
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedbackReport a problemClose
    Positive feedback
    Negative feedback
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedbackReport a problemClose
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedbackReport a problemClose
    Show more
    My Ad Center

    Experimental Quality Positive Meniscus Lenses


    HG Optronics.,INC.
    https://www.hgoptronics.com › experimental-quality-po...
    HG Optronics.,INC.
    https://www.hgoptronics.com › experimental-quality-po...
    The Positive Meniscus Lenses are a convex-concave lens, but it is thicker at the center than at the edges. They are felt polished and are used universally ...Read more

    Thorlabs Positive Meniscus Lens - LE5838-E1


    MEETOPTICS
    https://www.meetoptics.com › ... › Spherical Lenses
    MEETOPTICS
    https://www.meetoptics.com › ... › Spherical Lenses
    Surface Quality: 40-20 scratch-dig. Thickness Tolerance: ±0.1 mm. Type of Curvature: Positive Meniscus. Supplier Location: New Jersey, USA. Technical Documents.Read more
    $390.50 · In stock · 30-day returns
    Missing: Experimental ‎| Show results with: Experimental

    Positive Meniscus Lenses


    Thorlabs
    https://www.thorlabs.com › positive-meniscus-lenses
    Thorlabs
    https://www.thorlabs.com › positive-meniscus-lenses
    These lenses are commonly used to achieve tighter beam focusing when paired with another positive lens. For more information on these substrates, please visit ...Read more
    Missing: Quality ‎| Show results with: Quality

    Positive Meniscus Lenses


    Edmund Optics
    https://www.edmundoptics.com › meniscus-lenses
    Edmund Optics
    https://www.edmundoptics.com › meniscus-lenses
    Positive Meniscus Lenses are convex-concave lenses manufactured from N-BK7 optical glass and are designed to minimize spherical aberration and reduce spot ...Read more
    Missing: Experimental ‎| Show results with: Experimental

    MSCP010 Positive Meniscus Lens - Newport


    newport.com
    https://www.newport.com › MSCP010
    newport.com
    https://www.newport.com › MSCP010
    Newport's fused silica meniscus lenses are polished to tight tolerances using master test plates to ensure minimum wavefront distortion. The extreme purity of ...Read more
    Missing: Experimental ‎| Show results with: Experimental

    Custom Meniscus Lenses | Concave and Convex ...


    Knight Optical
    https://www.knightoptical.com › Custom › Lenses
    Knight Optical
    https://www.knightoptical.com › Custom › Lenses
    The positive meniscus lens, part of our bespoke range, is crafted from high-index materials and adorned with anti-reflective (AR) coatings to boost performance, ...Read more

    Custom Experimental Quality Positive Meniscus Lenses ...


    UNI Optics
    https://www.uni-optics.com › experimental-quality-positi...
    UNI Optics
    https://www.uni-optics.com › experimental-quality-positi...
    Product Features: · Excellent edge sharpness and uniform illumination · Designed to resist strong light interference, adaptable to complex lighting ...Read more

    Meniscus Lenses Selection Guide


    GlobalSpec
    https://www.globalspec.com › optical_components › m...
    GlobalSpec
    https://www.globalspec.com › optical_components › m...
    A positive meniscus lens can decrease the focal length of another lens while retaining the angular resolution. Meniscus lenses are used to create a tighter beam ...Read more
    Missing: Experimental ‎| Show results with: Experimental

    OEM Meniscus Lens, Meniscus Lens Manufacturer


    Betensh Optics
    https://www.betenshoptics.com › meniscus-lens
    Betensh Optics
    https://www.betenshoptics.com › meniscus-lens
    A meniscus lens is a concave-convex lens. This lens features one convex surface and one concave surface. Meniscus lenses can be either positive or negative.Read more

    Meniscus Positive Lenses (Convex-Concave CXCV Lens)


    Alien Photonics
    https://www.alienphotonics.com › Lenses
    Alien Photonics
    https://www.alienphotonics.com › Lenses
    Meniscus Positive Lenses combine convex and concave surfaces to reduce spherical aberration and improves beam focus in advanced optical systems.
    €35.00
    Missing: Experimental ‎| Show results with: Experimental

    Scholarly articles for Experimental Quality Positive Meniscus Lenses

    … artificial compound eyes with negative meniscus … - ‎Luo - Cited by 21
    Determining the imaging quality of intraocular lenses - ‎Norrby - Cited by 65
    Inverted meniscus intraocular lens as a better optical … - ‎Artal - Cited by 13
    People also search for
    Negative meniscus lens
    Positive meniscus lens ray diagram
    Positive vs negative meniscus lens
    Positive meniscus liquid
    Convex meniscus lens
    Thorlabs meniscus lens
    Meniscus lens spherical aberration
    Plano-concave lens

    Page Navigation

    12345678910Next

    Footer Links

    Dallas-Ft. Worth TX, Texas
     - Based on your past activity
     - 
    Update location
    Can't update your location
    Learn more
    Updating location...
    HelpSend feedbackPrivacyTerms
    Google apps