Feature: 1. 【Macro Photography Extension Tubes】New electronic technology for professional macro photography to create close-up beauty. 2. 【Auto Focus Extension Tubes】Supports auto focus function to make your macro photography more professional, so that you can take vivid photos. 3. 【With 2 Tubes】With 12mm + 24mm two different tubes, which can be used alone or combined to meet your needs for different close-up magnification. 4. 【Z Mount Design】Compatible with Nikon Z-mount mirrorless cameras, such as Z50 Z5 Z6 Z6II Z7 Z7II. 5. 【Durable Material】Durable aluminum alloy material provide a higher guarantee for product quality; gold-plated electronic pins for great conductivity. Specification: Features: 【Macro Photography Extension Tubes】New electronic technology for professional macro photography to create close-up beauty. 【Auto Focus Extension Tubes】Supports auto focus function to make your macro photography more professional, so that you can take vivid photos. 【With 2 Tubes】With 12mm + 24mm two different tubes, which can be used alone or combined to meet your needs for different close-up magnification. 【Z Mount Design】Compatible with Nikon Z-mount mirrorless cameras, such as Z50 Z5 Z6 Z6II Z7 Z7II. 【Durable Material】Durable 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 Package List: 1 * Extension Tube Set