Specification Brand : Generic BulletPoint1 : Focus gear with coarse focus and tension adjustment. Brand new focus rack with ball bearing. BulletPoint2 : Diameter of annular ring holding microscope head: (76mm). Diameter of opening for stand post (arbor): 32mm/25mm. 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 : You can reach us anytime for any query and I'll available 24x7 to assist you, have a good day. Color : One Color ExternallyAssignedProductIdentifier : 9586912738978 ItemName : Microscope 76mm Diameter Adjustable Zoom Stere Microscopes Focusing Holder Focusing(A3 Black) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microscope-lens-adapters Manufacturer : Generic ModelName : FIZVCFTA-A3BLACK ModelNumber : FIZVCFTA-A3BLACK NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : FIZVCFTA-A3BLACK ProductDescription : Our microscopes and accessories are made of durable materials to provide long-term reliable performance. Magnification Ratio: 500X & Under Model Number: Microscope holder Features: Digital Theory: Stereo Microscope Microscope Accessory Item: Microscope Head Holder Focus Arm Diameter of Annular Ring: 3" (76mm) Drawtube: microscope focus arm Package 1:(32mm-White) 1 x 32mm-White Microscope Focus Adjustment Arm ProductSiteLaunchDate : 2025-05-17T02:16:12.698Z Size : A3 Black