{"product_id":"achromatic-microscope-objective-lens-set-4x-100x-20-2mm-interface","title":"Achromatic Microscope Objective Lens 4X–100X | 20.2mm Interface","description":"\n\u003ch2\u003eAchromatic Microscope Objective Lens Set – 4X, 10X, 20X, 40X, 60X \u0026amp; 100X\u003c\/h2\u003e\n\u003cp\u003eUpgrade your microscope with this professional-grade \u003cstrong\u003e195 optical tube length achromatic objective lens set\u003c\/strong\u003e. Designed for standard 20.2mm threaded interfaces, these lenses are engineered for high-definition imaging across a wide range of magnifications — from 4X wide-field viewing all the way to 100X oil-immersion detail. Whether you're in a lab, classroom, or home science setup, these objectives deliver crisp, clear, and accurate imagery every time.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose These Achromatic Objectives?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Magnification Range:\u003c\/strong\u003e Includes 4X, 10X, 20X, 40X, 60X, and 100X objectives to cover every observation need.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAchromatic Optics:\u003c\/strong\u003e Corrects chromatic aberration so you see true, colour-accurate images with sharp contrast.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 20.2mm Threaded Interface:\u003c\/strong\u003e Compatible with most compound microscopes featuring a 195mm optical tube length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Definition Clarity:\u003c\/strong\u003e Precision-ground glass lenses ensure bright, detailed fields of view at every magnification level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets international quality and safety standards for optical instruments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Robust metal barrel housing ensures long-lasting performance under regular use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Safe materials throughout — no hazardous substances declared.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptical Tube Length:\u003c\/strong\u003e 195mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Interface:\u003c\/strong\u003e 20.2mm (standard RMS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Magnifications:\u003c\/strong\u003e 4X, 10X, 20X, 40X, 60X, 100X\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnification Range:\u003c\/strong\u003e 500X and under\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBiology and science laboratories\u003c\/li\u003e\n  \u003cli\u003eEducational and classroom microscopy\u003c\/li\u003e\n  \u003cli\u003eHobbyist and home science enthusiasts\u003c\/li\u003e\n  \u003cli\u003eSpecimen slide examination and analysis\u003c\/li\u003e\n  \u003cli\u003eReplacing worn or damaged objectives on existing microscopes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for other precision tools and accessories for your workspace? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or the \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e for more high-precision instruments.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microscopes are compatible with these achromatic objective lenses?\u003c\/h4\u003e\n\u003cp\u003eA: These objective lenses are designed for compound microscopes with a standard 195mm optical tube length and a 20.2mm RMS (Royal Microscopy Society) threaded interface. Most biological and educational compound microscopes use this standard thread size, making these objectives a versatile replacement or upgrade option for a wide range of models.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between an achromatic objective and a standard objective lens?\u003c\/h4\u003e\n\u003cp\u003eA: An achromatic objective lens is specially corrected to reduce chromatic aberration — the colour fringing that can occur at the edges of an image when light of different wavelengths focuses at slightly different points. This correction results in sharper, more colour-accurate images, particularly important when examining fine biological specimens or detailed structures under high magnification.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the 100X objective require immersion oil?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the 100X objective is typically an oil-immersion lens. Immersion oil is applied between the lens and the cover slip to increase the numerical aperture and achieve maximum resolution at this magnification level. Please ensure you have appropriate immersion oil before using the 100X objective.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I purchase individual objectives from this set, or is it a complete set?\u003c\/h4\u003e\n\u003cp\u003eA: This listing offers the full range of achromatic objectives (4X, 10X, 20X, 40X, 60X, and 100X). Please check the available product variants or contact us to confirm which individual magnifications may be available for separate purchase.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microscopes are compatible with these achromatic objective lenses?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These objective lenses are designed for compound microscopes with a standard 195mm optical tube length and a 20.2mm RMS (Royal Microscopy Society) threaded interface. 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