{"title":"Neutral Density Glass Filters","description":"","products":[{"product_id":"666-f2-0-25-abs","title":"666-F2 (0.25 Abs)","description":"\u003cp\u003eAbsorption Value 0.25\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Product Specifications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F2-39.pdf?v=1723171440\" target=\"_blank\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45550381072637,"sku":"666F2-39","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F2.jpg?v=1752598538"},{"product_id":"666-f3-0-5-abs","title":"666-F3 (0.5 Abs)","description":"\u003cp\u003eAbsorption Value 0.5\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F3-38.pdf?v=1723171453\" target=\"_blank\" title=\"666F3-38\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45550420656381,"sku":"666F3-38","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F3.jpg?v=1752598537"},{"product_id":"666-f4-1-0-abs","title":"666-F4 (1.0 Abs)","description":"\u003cp\u003eAbsorption Value 1.0\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F4-37.pdf?v=1723171453\" title=\"Product Specifications\" rel=\"noopener\" target=\"_blank\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45550428979453,"sku":"666F4-37","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F4.jpg?v=1752598537"},{"product_id":"neutral-density-filter-666-f201-0-3-abs","title":"666-F201 (0.3 Abs)","description":"\u003cp\u003eAbsorption Value 0.3\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F201-39.pdf?v=1723171467\" target=\"_blank\" title=\"666F201-39\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45562152681725,"sku":"666F201-39","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F201.jpg?v=1752598519"},{"product_id":"666-f202-1-5-abs","title":"666-F202 (1.5 Abs)","description":"\u003cp\u003eAbsorption Value 1.5\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F202-36.pdf?v=1723171468\" title=\"666F202-36\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45562163626237,"sku":"666F202-36","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F202.jpg?v=1745519184"},{"product_id":"666-f203-2-0-abs","title":"666-F203 (2.0 Abs)","description":"\u003cp\u003eAbsorption Value 2.0\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F203-36.pdf?v=1723171468\" title=\"666F203-36\"\u003eProduct Specifications\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F202-36.pdf?v=1723171468\" title=\"666F202-36\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45562171621629,"sku":"666F203-36","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666-F203.jpg?v=1752598515"},{"product_id":"666-f204-0-7-abs","title":"666-F204 (0.7 Abs)","description":"\u003cp\u003eAbsorption Value 0.7\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F204-37.pdf?v=1723171468\" title=\"666F204-37\"\u003eProduct Specifications\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F202-36.pdf?v=1723171468\" title=\"666F202-36\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45562178339069,"sku":"666F204-37","price":842.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F204.jpg?v=1752598515"},{"product_id":"666s000","title":"666S000","description":"\u003cp\u003eNeutral Density Glass Filter Set\u003c\/p\u003e\n\u003cp\u003eF0, F1, F2, F3, F4\u003c\/p\u003e\n\u003cp\u003eAbsorption Value 0.25, 0.5, 1.0\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 279, 361, 453, 536, 638 nm\u003c\/p\u003e\n\u003cp\u003eStandard Certification Absorption: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1 nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666S000.jpg?v=1733851234\" target=\"_blank\" title=\"Product Specifications\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45585341087997,"sku":"666S000","price":2741.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666S000.jpg?v=1752598446"},{"product_id":"666r013","title":"666-R013","description":"\u003cp\u003eReference Plate for checking photometric accuracy\u003c\/p\u003e\n\u003cp\u003eColumn 1+2 empty – reference\u003cbr\u003eColumn 3+4 ND with 0.25 Abs\u003cbr\u003eColumn 5+6 ND with 0.5 Abs\u003cbr\u003eColumn 7+8 ND with 1.0 Abs\u003cbr\u003eColumn 9+10 ND with 1.5 Abs\u003cbr\u003eColumn 11+12 ND with 2.5 Abs\u003c\/p\u003e\n\u003cp\u003eStandard Certification Absorption at 8 points: 405, 450, 490, 650 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1 nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666R013.pdf?v=1733862274\" target=\"_blank\" title=\"Product Specifications\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":45869298417917,"sku":"666R013","price":4723.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666R013.jpg?v=1752598431"},{"product_id":"666-s004-neutral-density-glass-filter-set","title":"666-S004","description":"\u003cp\u003eNeutral Density Glass Filter Set\u003c\/p\u003e\n\u003cp\u003eF0, F201, F202, F203 \u003c\/p\u003e\n\u003cp\u003eAbsorption Value 0.3, 1.5, 2.0\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Absorption: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1 nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Product Specifications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666S004_274ab739-5feb-4ded-90af-b4fd2ddc7803.pdf?v=1745594847\" target=\"_blank\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":46234380534013,"sku":"666S004","price":2394.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666S000.jpg?v=1752598446"},{"product_id":"666-r113","title":"666-R113","description":"\u003cp\u003eReference Plate for checking photometric and wavelength accuracy\u003c\/p\u003e\n\u003cp\u003eColumn 1+2 empty – reference\u003cbr\u003eColumn 3+4 ND with 0.5 Abs\u003cbr\u003eColumn 5+6 ND with 1.0 Abs\u003cbr\u003eColumn 7+8 ND with 1.5 Abs\u003cbr\u003eColumn 9+10 ND with 2.0 Abs\u003cbr\u003eColumn 11+12 ND Holmium glass\u003c\/p\u003e\n\u003cp\u003eStandard Certification Absorption at 8 points in a row: 405, 450, 490, 650 nm\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 106%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-font-kerning: 0pt;\"\u003eWavelength accuracy certified with DAkkS calibration certificate at \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 106%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-font-kerning: 0pt;\"\u003eWavelengths: 279, 287, 361, 418, 445, 453, 536, 638 nm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp\u003eSlit Width 1 nm up to 2 nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 12 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666R113.pdf?v=1750951204\" target=\"_blank\" title=\"Product Specifications\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":46390730850557,"sku":"666R113","price":5335.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666R113_0f3e67f1-f3fe-44f2-aab6-c587a4aef1d3.jpg?v=1750960316"},{"product_id":"666-f301-2-5-abs","title":"666-F301 (2.5 Abs)","description":"\u003cp\u003eAbsorption Value 2.5\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F301-261_373a5eff-54d7-4cf3-b18a-f4018df79b68.pdf?v=1751472110\" target=\"_blank\" title=\"Product Specifications\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":46406031933693,"sku":"666f301-361","price":842.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/CRMglassfilter666F301-361.jpg?v=1752598414"},{"product_id":"666-f390-0-04-abs","title":"666-F390 (0.04 Abs)","description":"\u003cp\u003eAbsorption Value 0.04\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStandard Certification Wavelengths: 440, 465, 546.1, 590, 635 nm\u003c\/p\u003e\n\u003cp\u003eSlit Width 1nm\u003c\/p\u003e\n\u003cp\u003eWith DAkkS Certificate\u003c\/p\u003e\n\u003cp\u003eRecertification Interval Recommended every 24 months\u003c\/p\u003e\n\u003cp\u003eMade to order, available in 3-6 weeks\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666F390-25_2.pdf?v=1769714073\" target=\"_blank\" title=\"666F390-25\" rel=\"noopener\"\u003eProduct Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Hellma USA. Inc.","offers":[{"title":"Default Title","offer_id":47169879736573,"sku":"666F390-25","price":842.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/files\/666f390.jpg?v=1769713744"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7185\/9197\/collections\/666-F2_666-F3_666-F4.jpg?v=1723170652","url":"https:\/\/hellma.mx\/collections\/neutral-density-glass-filters.oembed?page=2","provider":"Hellma USA. Inc.","version":"1.0","type":"link"}