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BTOER 160mm Objective Lens for Biological Microscopes 4X to 100X Magnification

<ul><li>[MULTIPLE MAGNIFICATIONS INCLUDED] This objective lens package features a comprehensive selection of magnifications 4X, , 20X, 40X, 60X, and an impressive 100X for diverse microscopy needs.</li><li>[SLIDE DAMAGE PREVENTION] The innovative spring-loaded design of the higher magnification lenses prevents damage to your slides during usage.</li><li>[ENHANCED VISUAL PERFORMANCE] Equipped with coated optical elements that provide superior and reduce reflections for optimal performance.</li><li>[PINE PITCH INNOVATION] The advanced design of the 100x objective lens enhances numerical aperture capabilities for imaging results.</li><li>[SIZING REMINDER] Always verify your size specifications to for ensure proper fit before making a purchase.</li></ul>

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Features:*Suitable for infinity-corrected optical systems used with 160mm focal length tubes, such as biological microscopes.*Standard DIN 45mm focal length with coated optical parts.*40x, 60x, 100x objectives are spring loaded to prevent slide damage.*The 100x objective is equipped with pine pitch to achieve the design of numerical aperture.*Corrected for chromatic aberration, spherical aberration, and paraxial coma in two bands.Specifications:Part Name:Objective LensMaterial:Precision copper coreSize:As shownColor:BlackMagnification: 4X//20X/40X/60X/100X&nbsp;Mounting size: 20.2mm&nbsp;Tube length: 160mm&nbsp;4X: Numerical aperture () 0.1; Working distance 18mm&nbsp;: Numerical aperture () 0.25; Working distance 7mm&nbsp;20x: Numerical aperture () 0.4; Working distance 0.55mm&nbsp;40X: Numerical aperture () 0.65;&nbsp;60X: Numerical aperture () 0.85; Working distance 0.18mm&nbsp;100X: numerical aperture () 1.25; working distance 0.13 mmPackage Content:1*Objective LensNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.