Specification Brand : Generic BulletPoint1 : Magnification: 4X/10X/40X/100X. Type:Microscope achromatic Objective lens. Standard RMS thread. BulletPoint2 : Material:Precision Copper core. Mounting size :20.2mm. Tube length : 160mm. standard thickness of cover glass 0.17mm for Biological microscope. BulletPoint3 : We also offer a comprehensive selection of accessories designed to enhance your microscopy experience. From objectives to slide preparation kits, we have everything you need to optimize your microscope performance. BulletPoint4 : We are committed to customer satisfaction! We strive to answer your questions promptly within 24 hours. Trust us to provide a reliable microscope or microscope accessory that meets your needs. BulletPoint5 : We are committed to customer satisfaction! We strive to answer your questions promptly within 24 hours. Trust us to provide a reliable microscope or microscope accessory that meets your needs. Color : One Color ItemName : Microscope 4X 10X 40X 100X Microscope Objective Lens Achromatic Parts(100) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microscope-lenses Manufacturer : Generic ModelName : BCAFZTDBI-100 ModelNumber : BCAFZTDBI-100 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : BCAFZTDBI-100 ProductDescription : Our microscopes and accessories are made of durable materials to provide long-term reliable performance.