Features: Macro Photography Extension TubesNew electronic technology for professional macro photography to create close-up beauty. Auto Focus Extension TubesSupports auto focus function to make your macro photography more professional, so that you can take vivid photos. With 2 TubesWith 12mm + 24mm two different tubes, which can be used alone or combined to meet your needs for different close-up magnification. Z Mount DesignCompatible with Nikon Z-mount mirrorless cameras, such as Z50 Z5 Z6 Z6II Z7 Z7II. Durable MaterialDurable aluminum alloy material provide a higher guarantee for product quality; gold-plated electronic pins for great conductivity. Specifications: Material: Aluminum Alloy Tubes: 12mm, 24mm Compatible Lens: Z-mount Lens Compatible Camera: Z-mount Camera Package List: 1 * Extension Tube Set