Features 1、Application: Macro bellow is compatible for Nikon Z Mount Cameras. Maximum working size is 144mm / 5.7in, minimum working size is 37mm / 1.5in. 2、Function: Macro bellow is an accessory connected between the fuselage and the photographic lens. Its function is to widen the distance between the main point of the lens and the focal plane, so as to achieve the purpose of magnifying photography. 3、Stable Performance: Macro extension bellow is used in conjunction with a tripod, which is stable and easy to use, enabling you to smoothly and continuously adjust the distance to the object you want to shoot. 4、Accordion Style: Macro extension bellow tube is an accordion style section that is inserted between the lens and the camera body. 5、Precise Photography: Macro lens extension bellow tube can perfectly replace the automatic close up adapter, and even take finer pictures than it. Specification Item Type: Macro Bellow Material: Aluminum Gross Weight: 487g / 17.2oz Maximum Working Size: 144mm / 5.7in Minimum Working Size: 37mm / 1.5in Application: Compatible for Nikon Z Mount Cameras Magnification = (Macro Bellow/Cover Length) / Lens Focal Length Package List 1 x Macro Bellow 1 x Screw