Specification AgeRangeDescription : adult Brand : Generic BulletPoint1 : ID024 Outside Diameter: 60 mm; Thickness: 6mm; Diaphragm Blades Quantity: 16 pieces BulletPoint2 : ID030 Outside Diameter: 58mm; Thickness: 6.5mm; Diaphragm Blades Quantity: 18 pieces BulletPoint3 : ID024 Minimum Aperture Diameter: 2.5mm; Maximum Aperture Diameter: 44mm. ID030 Minimum Aperture Diameter: 2.5mm; Maximum Aperture Diameter: 42mm. BulletPoint4 : 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. 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 ExternallyAssignedProductIdentifier : 9586911801772 ItemName : Microscope Enlarge 2.5-42mm/44mm Aperture Diameter Zoom Iris Diaphragm Aperture Condenser for Microscope Camera Lens Optical Instrument(2.5-44mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microscope-lens-adapters Manufacturer : Generic ModelName : BIIDCFAVC-2.5-44MM ModelNumber : BIIDCFAVC-2.5-44MM NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : BIIDCFAVC-2.5-44MM ProductDescription : Our microscopes and accessories are made of durable materials to provide long-term reliable performance. Specification