Features: Maintaining autofocus and stabilization while preserving quality through their design. Crafted from metal, this kit includes stackable 12mm and 24mm tubes for adjustable magnification, enabling precise control over minimum focusing distances without compromising lens performances. Ideal for photographers using for SL Typ 601 TL2 SL2 SL2-S S1R S1H camera who demand versatility in work while retaining full electronic communication between gear. Capture intricate detail in nature photography or portrait reveals textures invisible to standard lens. Eliminating complex setups while maintaining data recording via electronic contacts. Specifications: Component:Metal Size:Approx.6.5x5.50cm/2.56x2.17inch Package Includes: 1Pc Extension Tube note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.