{"product_id":"e-62-474-9mm-dia-x-12mm-fl-negative-doublet-lens-mgf2-coated","title":"E-62-474 9mm Dia x -12mm FL Negative Doublet Lens MgF2 Coated","description":"\u003cp\u003eE-62474 9mm Dia x -12mm FL Negative Doublet Lens MgF2 Coated\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/MgF2CoatingCurve_37.pdf?v=1685547197\"\u003e\u003cstrong\u003eProduct MGF2 Coating Curve\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=\"\"\u003eDiameter (mm): 9.00 +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): -12.00\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 (%): ±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=\"\"\u003eBack Focal Length BFL (mm): -13.78\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): 587.6\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): 8.1\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): 1.50\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): 2.50\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=\"\"\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): -6.98\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): 6.98\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): 23.22\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): 5.79\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\"\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\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/BK7.pdf?v=1685038845\"\u003eN-BK7\u003c\/a\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\/\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1026\/4509\/files\/SF5.pdf?v=1685038908\"\u003eN-SF5\u003c\/a\u003e\u003c\/strong\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=\"\"\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: MgF\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e(400-700nm)\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=\"\"\u003eCoating Specification: R\u003csub\u003eavg\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e≤1.75% @ 400 - 700nm\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=\"\"\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: Negative 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): 400 - 700\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003cbr\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\u003eMagnesium Fluoride (MgF\u003csub\u003e2\u003c\/sub\u003e) Coating\u003c\/li\u003e\n\u003cli\u003eUsed to Extend Focal Length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eTECHSPEC® MgF\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e Coated Negative Achromatic Lenses consist of two optical elements cemented together. Negative doublet lenses are corrected for color and on-axis aberrations. TECHSPEC MgF\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e Coated Negative Achromatic Lenses are used predominantly as Barlow lenses to extend focal lengths. These lenses are often combined with positive achromatic mirror systems and imaging lenses.\u003c\/span\u003e\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":49083809005824,"sku":"E-62474","price":192.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/5557_47ca3e3f-09a8-499b-8ce4-33a19a0aecba.jpg?v=1785205261","url":"https:\/\/alotechparts.com\/products\/e-62-474-9mm-dia-x-12mm-fl-negative-doublet-lens-mgf2-coated","provider":"Alo Tech Solutions","version":"1.0","type":"link"}