{"product_id":"e-65-437-15mm-dia-x-20mm-fl-nir-ii-coated-achromatic-lens","title":"E-65-437 15mm Dia. x 20mm FL, NIR II Coated, Achromatic Lens","description":"\u003cp\u003eE-65437 15mm Dia. x 20mm FL, NIR II Coated, Achromatic Lens\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/NIR2CoatingCurve_1.pdf?v=1684440067\"\u003e\u003cstrong\u003eProduct NIR II Coating Curve\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/isop_65437.pdf?v=1684536524\"\u003e\u003cstrong\u003eProduct ISO\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/prnt_65437.pdf?v=1684536605\"\u003e\u003cstrong\u003eProduct Drawing\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003eDiameter (mm): 15.00 +0.0\/-0.025\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eEffective Focal Length EFL (mm): 20.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eFocal Length Tolerance (%): ±2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eBack Focal Length BFL (mm): 14.14\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eFocal Length Specification Wavelength (nm): 880.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eClear Aperture CA (mm): 14.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eCentering (arcmin): \u0026lt;1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eCenter Thickness CT 1 (mm): 7.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eCenter Thickness CT 2 (mm): 2.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eCenter Thickness Tolerance (mm): ±0.2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eRadius R\u003csub\u003e1\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e(mm): 11.69\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eRadius R\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e(mm): -12.94\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eRadius R\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e(mm): -192.50\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eEdge Thickness ET (mm): 6.10\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"spec-tooltip\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"spec-tooltip\"\u003eSubstrate:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"spec-tooltiptext\"\u003e\u003ca href=\"https:\/\/www.edmundoptics.com\/knowledge-center\/application-notes\/optics\/optical-glass\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/Datenblatt_OKAT_2000.pdf?v=1684431209\"\u003e\u003cstrong\u003eN-LAK14\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\/\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/N-SF6.pdf?v=1684431294\"\u003e\u003cstrong\u003eN-SF66\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003eSurface Quality: 40-20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003ef\/#: 1.33\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eNumerical Aperture NA: 0.38\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eCoating: NIR II (750-1550nm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003eCoating Specification:\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003eR\u003csub\u003eabs\u003c\/sub\u003e ≤1.5% @ 750 - 800nm\u003cbr\u003eR\u003csub\u003eabs\u003c\/sub\u003e ≤1.0% @ 800 - 1550nm\u003cbr\u003eR\u003csub\u003eavg\u003c\/sub\u003e ≤0.7% @ 750 - 1550nm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003ePower (P-V) @ 632.8nm: 1.5λ\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eIrregularity (P-V) @ 632.8nm: λ\/4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eBevel: Protective bevel as needed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eType: Achromatic Lens\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row specsRow\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-12 specs\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-6 col-xs-6 col-6\"\u003e\n\u003cdiv class=\"\"\u003eWavelength Range (nm): 750 - 1550\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eProduct Family Description\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to Give Increased Resolution and Smaller Spot Sizes for NIR Wavelengths (750-1100nm)\u003c\/li\u003e\n\u003cli\u003eDecreased Spherical Aberration for Monochromatic Sources Out to 2μm\u003c\/li\u003e\n\u003cli\u003eBroadband AR Coating has \u0026lt;1% Reflectivity Between 750–1550nm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eTECHSPEC® Near-IR (NIR) Achromatic Lenses are designed to provide the smallest spot size possible for polychromatic light between 750 and 1100nm. By utilizing our NIR doublets instead of standard doublets designed for the visible, RMS spot diameter can be reduced from 43μm to 22.5μm, for example, when using polychromatic light. Spot size will be smaller when focusing monochromatic sources. Near-IR doublets also reduce spherical aberration and have superior performance when used with a monochromatic source up to 2μm in wavelength. Typical applications for these doublets include: imaging lenses for the near infrared, focusing and expanding of NIR lasers, and focusing\/collimating lenses for fiber optics and NIR LEDs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fosco Connect","offers":[{"title":"Default Title","offer_id":40349062561890,"sku":"E-65437","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/5556_13691b42-0578-4f25-9faa-b35cd5ed5f6d.jpg?v=1684536363","url":"https:\/\/www.fiberoptics4sale.com\/products\/e-65-437-15mm-dia-x-20mm-fl-nir-ii-coated-achromatic-lens","provider":"Fosco Connect","version":"1.0","type":"link"}