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    • N-BK7 Bi-Concave Lens.
      N-BK7 Bi-Concave Lens
      $40.69
      Thorlabs
      N-BK7 Bi-Concave Lens
      $40.69
      Thorlabs
    • 25% OFF
      Lens Double-Concave Glass 50Mm Diameter 5Cm Focal Length. 25% OFF.
      Lens Double-Concave Glass 50Mm Diameter 5Cm Focal Length
      $1.66 $2.24
      Teacher Supply Source
      25% OFF
      Lens Double-Concave Glass 50Mm Diameter 5Cm Focal Length
      $1.66 $2.24
      Teacher Supply Source
    • Eisco Double Concave Glass Lens.
      Eisco Double Concave Glass Lens
      $2.33
      Fisher Scientific
      Eisco Double Concave Glass Lens
      $2.33
      Fisher Scientific
    • 30% OFF
      BK7 Double Concave Lens. 30% OFF.
      BK7 Double Concave Lens
      $2.79 $3.99
      AliExpress
      Free delivery
      30% OFF
      BK7 Double Concave Lens
      $2.79 $3.99
      AliExpress
      Free delivery
    • 11% OFF
      MSE PRO BK7 Bi-Concave Lenses. 11% OFF.
      MSE PRO BK7 Bi-Concave Lenses
      $52.95 $60
      MSE Supplies
      11% OFF
      MSE PRO BK7 Bi-Concave Lenses
      $52.95 $60
      MSE Supplies
    • GLASS BI CONCAVE LENS FOCAL LENGTH 20cm DIAMETER 38mm LOT OF 18.
      GLASS BI CONCAVE LENS FOCAL LENGTH 20cm DIAMETER 38mm LOT OF 18
      $71.99 Pre-owned
      eBay
      GLASS BI CONCAVE LENS FOCAL LENGTH 20cm DIAMETER 38mm LOT OF 18
      $71.99 Pre-owned
      eBay
    • 24% OFF
      United Scientific Double Concave Lenses. 24% OFF.
      United Scientific Double Concave Lenses
      $2.92 $3.89
      School Specialty       & more
      Free delivery on $69+
      24% OFF
      United Scientific Double Concave Lenses
      $2.92 $3.89
      School Specialty       & more
      Free delivery on $69+
    • Large Double Concave Glass Lens.
      Large Double Concave Glass Lens
      $10.82
      AliExpress
      Large Double Concave Glass Lens
      $10.82
      AliExpress
    • Bi-Concave Lens 10 mm.
      Bi-Concave Lens 10 mm
      $30.00
      BMI Surplus
      Bi-Concave Lens 10 mm
      $30.00
      BMI Surplus
      Small business
    • Lens Double-Concave Glass Lens 38mm Diameter 20cm Focal Length Sold in a Pack of 20.
      Lens Double-Concave Glass Lens 38mm Diameter 20cm Focal Length Sold in a Pack of 20
      $40.68
      GSC Go Science Crazy
      Free delivery
      Lens Double-Concave Glass Lens 38mm Diameter 20cm Focal Length Sold in a Pack of 20
      $40.68
      GSC Go Science Crazy
      Free delivery
    • Bi-Concave 1064nm Lens.
      Bi-Concave 1064nm Lens
      $87.00
      Newport
      Free delivery by Thu
      Bi-Concave 1064nm Lens
      $87.00
      Newport
      Free delivery by Thu
    • Optical Bi Concave Bi-Cc Glass Rectangular Lens.
      Optical Bi Concave Bi-Cc Glass Rectangular Lens
      $30.72 Pre-owned
      eBay
      Optical Bi Concave Bi-Cc Glass Rectangular Lens
      $30.72 Pre-owned
      eBay
    • Bi-Concave Lens N-BK7 50.8 mm Diameter.
      Bi-Concave Lens N-BK7 50.8 mm Diameter
      $96.00
      Newport
      Free delivery by Thu
      Bi-Concave Lens N-BK7 50.8 mm Diameter
      $96.00
      Newport
      Free delivery by Thu
    • Glass Bi Concave Lens Focal Length 10cm Diameter 50mm Lot of 10.
      Glass Bi Concave Lens Focal Length 10cm Diameter 50mm Lot of 10
      $34.99 Pre-owned
      eBay - nci-sales
      Glass Bi Concave Lens Focal Length 10cm Diameter 50mm Lot of 10
      $34.99 Pre-owned
      eBay - nci-sales
    • Optical Bi Concave Lens.
      Optical Bi Concave Lens
      $51.48 Pre-owned
      eBay
      Optical Bi Concave Lens
      $51.48 Pre-owned
      eBay
    • Frcolor Men's Double Concave Glass Lens.
      Frcolor Men's Double Concave Glass Lens
      $9.18
      Walmart - Seller
      Frcolor Men's Double Concave Glass Lens
      $9.18
      Walmart - Seller
    • 11% OFF
      2pc Double Concave Optical Glass Lens. 11% OFF.
      2pc Double Concave Optical Glass Lens
      $15.77 $18
      eBay - lens-store
      11% OFF
      2pc Double Concave Optical Glass Lens
      $15.77 $18
      eBay - lens-store
    • 29% OFF
      Optical Glass Focal Length Lens. 29% OFF.
      Optical Glass Focal Length Lens
      $7.05 $9.93
      AliExpress
      Free delivery
      29% OFF
      Optical Glass Focal Length Lens
      $7.05 $9.93
      AliExpress
      Free delivery
    • Optical Optics Rectangular Bi Concave Lens.
      Optical Optics Rectangular Bi Concave Lens
      $20.13 Pre-owned
      eBay
      Optical Optics Rectangular Bi Concave Lens
      $20.13 Pre-owned
      eBay
    • Double Concave Lens.
      Double Concave Lens
      $3.16
      EduScienceuk
      Double Concave Lens
      $3.16
      EduScienceuk

    GLASS BI CONCAVE LENS FOCAL LENGTH 20cm DIAMETER ...


    eBay
    https://www.ebay.com › itm
    eBay
    https://www.ebay.com › itm
    GLASS BI CONCAVE LENS FOCAL LENGTH 20cm DIAMETER 38mm LOT OF 10. Please always reference photos for Condition Details. 10 pc lot from open box.
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    • Glass Bi Concave Lens Focal Length 20cm Diameter 38mm Box Of 50.
      Glass Bi Concave Lens Focal Length 20cm Diameter 38mm Box Of 50
      $149.99 Pre-owned
      eBay - nci-sales
      Glass Bi Concave Lens Focal Length 20cm Diameter 38mm Box Of 50
      $149.99 Pre-owned
      eBay - nci-sales
    • Optical Bi Concave Lens 30mm Diameter -67mm FL Optics As In Picture.
      Optical Bi Concave Lens 30mm Diameter -67mm FL Optics As In Picture
      $30.72 Pre-owned
      eBay
      Optical Bi Concave Lens 30mm Diameter -67mm FL Optics As In Picture
      $30.72 Pre-owned
      eBay
    • Optical Glass Lens for Laser Optics.
      Optical Glass Lens for Laser Optics
      $189.60 Pre-owned
      eBay
      Optical Glass Lens for Laser Optics
      $189.60 Pre-owned
      eBay
    • Double Concave Lens for Photography Use.
      Double Concave Lens for Photography Use
      $15.40
      eBay - esaleplus
      Free delivery
      Double Concave Lens for Photography Use
      $15.40
      eBay - esaleplus
      Free delivery
    • Geyer Instructional Double Concave Lens.
      Geyer Instructional Double Concave Lens
      $2.78
      Nova-Tech International       & more
      Geyer Instructional Double Concave Lens
      $2.78
      Nova-Tech International       & more
    • Optical Bi Concave Lens.
      Optical Bi Concave Lens
      $29.00 Pre-owned
      eBay - silosurplus
      Optical Bi Concave Lens
      $29.00 Pre-owned
      eBay - silosurplus
      Small business
    • Optical Glass Rectangular Bi Cc Concave Lens for Laser Optics.
      Optical Glass Rectangular Bi Cc Concave Lens for Laser Optics
      $19.00 Pre-owned
      eBay - cortona5
      Optical Glass Rectangular Bi Cc Concave Lens for Laser Optics
      $19.00 Pre-owned
      eBay - cortona5
    • Optical Bi Concave Bi-cc Glass Rectangular Lens.
      Optical Bi Concave Bi-cc Glass Rectangular Lens
      $29.00 Pre-owned
      eBay - silosurplus
      Optical Bi Concave Bi-cc Glass Rectangular Lens
      $29.00 Pre-owned
      eBay - silosurplus
      Small business
    • Round 40mm Double Concave Optical Glass Biconcave Lens for Laser.
      Round 40mm Double Concave Optical Glass Biconcave Lens for Laser
      $100.00
      alibaba.com
      Round 40mm Double Concave Optical Glass Biconcave Lens for Laser
      $100.00
      alibaba.com
    • Optical Glass Lens.
      Optical Glass Lens
      $24.99 Pre-owned
      eBay
      Optical Glass Lens
      $24.99 Pre-owned
      eBay

    Bi-concave lens, precision grade - Optics Online


    optics-online.com
    https://www.optics-online.com › dvp
    optics-online.com
    https://www.optics-online.com › dvp
    Bi-concave glass lenses are manufactured with both surfaces concave . These lenses have negative focal lengths. These lenses diverge collimated incident ...

    H-K9L Bi Concave Lens


    Sunday Optics
    https://www.sunday-optics.com › spherical-lens › bi-co...
    Sunday Optics
    https://www.sunday-optics.com › spherical-lens › bi-co...
    The double concave lenses with the negative focal length, these lenses are used in Beam Expanders, optics image, laser system and so on.
    More products
    • Bi-Concave Lens N-BK7.
      Bi-Concave Lens N-BK7
      $60.00
      Newport
      Free delivery by Thu
      Bi-Concave Lens N-BK7
      $60.00
      Newport
      Free delivery by Thu
    • Lens Double-concave Glass Lens.
      Lens Double-concave Glass Lens
      $39.22
      eBay - gsc_intl_1
      Free delivery
      Lens Double-concave Glass Lens
      $39.22
      eBay - gsc_intl_1
      Free delivery
    • Focal Length Double Concave Lens 4" 100mm 3 Pack.
      Focal Length Double Concave Lens 4" 100mm 3 Pack
      $13.53
      eBay - istore-net
      Free delivery
      Focal Length Double Concave Lens 4" 100mm 3 Pack
      $13.53
      eBay - istore-net
      Free delivery
    • Dia. 1" N-BK7 Plano-/Bi- Convex/Concave Lens Set.
      Dia. 1" N-BK7 Plano-/Bi- Convex/Concave Lens Set
      $1,949.83
      Thorlabs
      Dia. 1" N-BK7 Plano-/Bi- Convex/Concave Lens Set
      $1,949.83
      Thorlabs
    • Optical Glass Lens for Laser Optics.
      Optical Glass Lens for Laser Optics
      $179.00 Pre-owned
      eBay - silosurplus
      Optical Glass Lens for Laser Optics
      $179.00 Pre-owned
      eBay - silosurplus
      Small business

    What Is True about A Bi-concave Lens - Band-Optics


    band-optics.com
    https://www.band-optics.com › News & Events › blog
    band-optics.com
    https://www.band-optics.com › News & Events › blog
    May 23, 2025 — A bi-concave lens is a type of optical lens that is thinnest at the center and thickest at the edges . It has two concave surfaces that curve inward.

    Diameter 30 40 50 75 100 MM Double Concave Glass ...


    AliExpress
    https://www.aliexpress.com › item
    AliExpress
    https://www.aliexpress.com › item
    Features: High temperature resistance, explosion-proof, non-aging, high strength, high light transmittance, uniform light spot, no black holes, shadows, dark ...
    Glass Bi-concave Lenses from www.aliexpress.com

    Bi concave lens : r/glasses


    Reddit · r/glasses
    4 comments · 1 year ago
    Reddit · r/glasses
    4 comments · 1 year ago
    Hi I'm trying to learn how to cut bi concave lenses in an Optek contour . I have the instructions for cutting a poly, and hi index, ...

    High Presion Double Concave Lenses and Bi-concave Lenses


    wts photonics co.,ltd
    https://www.wts-photonics.com › product › high-presio...
    wts photonics co.,ltd
    https://www.wts-photonics.com › product › high-presio...
    Double Concave Lenses, Bi-Concave Lenses is like the Plano-Concave lenses in that they are used to produce divergent light . The Bi-Concave is best used when ...

    Bi-Concave Lenses


    CLZ Optical
    https://www.clzoptics.com › bi-concave-lenses
    CLZ Optical
    https://www.clzoptics.com › bi-concave-lenses
    Double-Concave Lenses ‌, also known as ‌ Bi - concave Lenses ‌, are common optical components classified as ‌negative spherical lenses‌ due to their negative focal ...
    Glass Bi-concave Lenses from www.clzoptics.com

    Bi-concave lens element - UNI Optics Co., Ltd


    DirectIndustry
    https://www.directindustry.com › prod › uni-optics-co-ltd
    DirectIndustry
    https://www.directindustry.com › prod › uni-optics-co-ltd
    VIS-NIR Coated Double-Concave (DCV) Lenses Double Concave Lenses are used in beam expansion, image reduction, or light projection applications .

    Biconcave Lenses


    SiChuan JUKA Optical Technology
    https://jukaoptical.en.made-in-china.com › product-group
    SiChuan JUKA Optical Technology
    https://jukaoptical.en.made-in-china.com › product-group
    High-Quality Optical Components Manufacturer High-Precision Factory for Biconcave/Doube Concave Lens. FOB Price: US $5-99 / Piece. Min. Order: 1 Piece.
    4.1 store rating ( 264 ) · Free delivery

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