Specification Brand : Estink BulletPoint1 : [Stable Design] The compact and practical design ensures stable diaphragm for consistent results. BulletPoint2 : [Versatile Options] Choose from 5 aperture sizes to meet a range of requirements depending on your needs. BulletPoint3 : [Easy Diameter Adjustment] Effortlessly change the aperture diameter using the handle for flexible usage. BulletPoint4 : [Various Aperture Sizes] Discover small apertures of different diameters within the optical system to cater to various light needs. BulletPoint5 : [Premium Durability] Crafted from metal for reliable performance and long-lasting durability. ExternallyAssignedProductIdentifier : 7707654174967 ExternallyAssignedProductIdentifier1 : 363075646635 ExternallyAssignedProductIdentifier2 : 0363075646635 FinishType : Powder Coated ItemName : Adjustable Diaphragm with 5 Apertures Metal Material Compact Design1.5-25mm Works More Stable Without Light Requirements (A) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : diaphragm-seals Manufacturer : Estink Material : Metal ModelName : Estinks17m8ivyz6-11 ModelNumber : Estinks17m8ivyz6-11 OperationMode : Mechanical PartNumber : Estinks17m8ivyz6-11 ProductDescription : [Stable Design] The compact and practical design ensures stable diaphragm for consistent results. [Versatile Options] Choose from 5 aperture sizes to meet a range of requirements depending on your needs. [Easy Diameter Adjustment] Effortlessly change the aperture diameter using the handle for flexible usage. [Various Aperture Sizes] Discover small apertures of different diameters within the optical system to cater to various light needs. [Premium Durability] Crafted from metal for reliable performance and long-lasting durability.