Specification Brand : Sinm BulletPoint1 : ◕Use: To provide small holes of different diameters in optical systems to meet different light requirements, such as lens and other optical equipment. BulletPoint2 : ◕Operation method: Change the diaphragm diameter through the handle. Adjust the inner diameter by the handle. Adjust to the desired position to unscrew the handle. BulletPoint3 : ◕Features: Metal material, reliable performance, strong and durable. BulletPoint4 : ◕Product specifications: All kinds of common light aperture. Detailed adjustable size range and outside diameter data can be viewed in the options. BulletPoint5 : ◕1 Pcs/Package Color : Aperture Range, Outside Diameter ExternallyAssignedProductIdentifier : 9344483081103 ItemForm : Metal Adjustable Aperture ItemName : Adjustable Metal Aperture Assembly, Variable Diaphragm Modification Accessories, Manual Mechanical Diaphragm (Aperture Range, Outside Diameter, 0.5~15mm, OD=28mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : brass-sheets Manufacturer : SINM Material : Metal ModelNumber : Mlibeait NumberOfItems : 1 PartNumber : Adjustable Aperture ProductDescription : ◕Use: To provide small holes of different diameters in optical systems to meet different light requirements, such as lens and other optical equipment. ProductSiteLaunchDate : 2024-08-20T11:47:17.543Z Size : 0.5~15mm, OD=28mm SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 30000000