Features: 1Composed of two different rings, including 12mm + 24mm, which can be used individually (12mm / 24mm) or in combination (12mm + 24mm) for other focal distance. 2Built-in electronic pin, advanced locking pin can pull the tube connector to take closer photos at higher magnification, thus achieving macro effect with excellent photo quality. 3Support camera TTL metering, automatic focusing function and EXIF information transmission, only according to the actual metering conditions for shooting, very convenient. 4Automatic focusing, adjustable aperture, fast and smooth focusing experience, compatible with camera TTL metering and AE mode. 5Lightweight body, frosted surface, exquisite workmanship, sturdy and durable. 6Metal material, anodic oxidation, inner wall extinction treatment, gold-plated metal contacts. Condition: 100% Brand New Item Type: Macro Adapter Ring Brand: VILTROX Model: DG-Z Material: Metal Color: Black Fitment: for Nikon Z Mount Camera Feature: Automatic Focusing, Adjustable Aperture Weight: Approx. 153g Ring Length: 12mm + 24mm Package Included: 1 x 12mm Macro Adapter Ring1 x 24mm Macro Adapter Ring1 x&nbspManual2 x&nbspDustproof Cover