{"product_id":"njc-4-manual-lensmeter-optical-lens-measuring-machine-for-eyeglasses-ophthalmic-use-20d-5d","title":"NJC-4 Manual Lensmeter | Optical Lens Measuring Machine for Eyeglasses \u0026 Ophthalmic Use ±20D ±5D","description":"\u003cdiv style=\"font-family:Arial, sans-serif;font-size:14px;line-height:1.6;color:rgb(51, 51, 51)\"\u003e \n \u003ch2 style=\"color:rgb(43, 43, 43)\"\u003eNJC-4 Manual Lensmeter Optical Lens Measuring Instrument\u003c\/h2\u003e \n \u003cdiv\u003e\n     \n \u003c\/div\u003e \n \u003cp\u003eThe NJC-4 Lensmeter is a high-precision optical instrument used to measure the diopters of spherical and cylindrical lenses. It is essential for optical labs, eyewear production, and eye clinics.\u003c\/p\u003e \n \u003ch3 style=\"color:rgb(43, 43, 43)\"\u003e✨ Key Features:\u003c\/h3\u003e \n \u003cul\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003eWide Diopter Range:\u003c\/strong\u003e -20D to +20D\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003eEyepiece Focus:\u003c\/strong\u003e ±5D\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e 0.125D minimum measurement unit\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003ePrism Measurement:\u003c\/strong\u003e Range 5△ with 1△ resolution\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003eCylinder Axis:\u003c\/strong\u003e 0° – 180°, step size 5°\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003eLens Diameter:\u003c\/strong\u003e Up to 100mm\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e AC 220V\/110V , DC 3V\u003c\/p\u003e\u003c\/li\u003e \n \u003c\/ul\u003e \n \u003ch3 style=\"color:rgb(43, 43, 43)\"\u003e�� Package Includes:\u003c\/h3\u003e \n \u003cul\u003e \n  \u003cli\u003e\u003cp\u003e1× NJC-4 Manual Lensmeter\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e1× Power Adapter\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003e1× English User Manual\u003c\/p\u003e\u003c\/li\u003e \n \u003c\/ul\u003e \n \u003ch3 style=\"color:rgb(43, 43, 43)\"\u003e�� Application Scenarios:\u003c\/h3\u003e \n \u003cp\u003ePerfect for use in:\u003c\/p\u003e \n \u003cul\u003e \n  \u003cli\u003e\u003cp\u003eOptical workshops \u0026amp; laboratories\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003eOphthalmology and optometry practices\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003eEyeglass manufacturing\u003c\/p\u003e\u003c\/li\u003e \n  \u003cli\u003e\u003cp\u003eRetail optical stores\u003c\/p\u003e\u003c\/li\u003e \n \u003c\/ul\u003e \n \u003cp\u003e�� Easy to use, precise, and durable — a must-have for any professional optician or eye care provider!\u003c\/p\u003e \n \u003cdiv\u003e \n  \u003cbr\u003e \n \u003c\/div\u003e \n\u003c\/div\u003e\n\u003cp\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"NJC-4 Manual Lensmeter | Optical Lens Measuring Machine for Eyeglasses \u0026amp; Ophthalmic Use ±20D ±5D detail image 1\" fetchpriority=\"low\" decoding=\"async\" loading=\"lazy\" src=\"https:\/\/ae01.alicdn.com\/kf\/S191dc3c3539341288c69a9f6b4be5828b.jpg?width=771\u0026amp;height=738\u0026amp;hash=1509\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"NJC-4 Manual Lensmeter | Optical Lens Measuring Machine for Eyeglasses \u0026amp; Ophthalmic Use ±20D ±5D detail image 2\" fetchpriority=\"low\" decoding=\"async\" loading=\"lazy\" width=\"750\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdfc98a1758324e88b6f9eeafbb1f2982b.jpg?width=771\u0026amp;height=738\u0026amp;hash=1509\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FMF Supply","offers":[{"title":"Default Title","offer_id":43370963927129,"sku":"FMF-NJC-4-10329","price":230.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4354\/5177\/files\/Sb533ae12e4ea4cda925d4bea40d30662X.webp?v=1780391108","url":"https:\/\/fmfpack.com\/es\/products\/njc-4-manual-lensmeter-optical-lens-measuring-machine-for-eyeglasses-ophthalmic-use-20d-5d","provider":"FMF Supply","version":"1.0","type":"link"}