Specification Brand : QANYEGN BulletPoint1 : ALUMINUM ALLOY CASE: The 4x achromatic objective lens features a precisely machined aluminum alloy case, which ensures stability and durability for long term use and reliable performance. BulletPoint2 : ELIMINATES UNNECESSARY REFLECTIONS: Designed for use in biological microscopes, the lens effectively eliminates unwanted reflections and enhances the clarity and contrast of the observed image by reducing glares and increasing light transmission. BulletPoint3 : HIGH IMAGE QUALITY WITHOUT CHROMATOGRAPHY: Our achromatic objective lens provides high quality observation without chromatic aberration. It uses advanced optical technology to provide clear and accurate images for precise analysis and research. BulletPoint4 : OPTIMAL CONTRAST AND SHARPNESS: By reducing reflections and optimizing image quality, our lens improves contrast and sharpness. It enhances the visibility of details and allows users to view specimens with great accuracy. BulletPoint5 : EASY TO USE AND COMPATIBLE: The objective lens is 30.5 mm in length, making it easy to mount and use with a wide range of microscope model. It is compatible with a wide range of biological microscopes, ensuring versatility and convenience. Color : 0.7x Microscope ExternallyAssignedProductIdentifier : 7646290232429 ItemName : QANYEGN 4X 185 Biological Microscope Achromatic Objectives Lens, Microscope Lens, Achromatic Objectives Lens for Eliminate Unwanted Reflections ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microscope-lenses Manufacturer : QANYEGN ModelName : QANYEGN4kzey0cbai ModelNumber : QANYEGN4kzey0cbai PartNumber : QANYEGN4kzey0cbai ProductDescription : Specification: Item Type: Achromatic Objectives Lens Material: Aluminum Alloy + Optical Lens Color: As Pictures Show Magnification: 4X Tube Length: 160mm / 6.3inch Conjugate Distance: 185 Cover-glass Thickness: 0.17mm Objective Lens Length: 30.5mm Mounting Size: 20mm)Standard RMS Thread) Item Size: 5 * 5 * 5cm / 2.0 * 2.0 * 2.0inch Package Weight: Approx. 41g