20mm Quick Release Hot Shoe Conversion Macro Focusing Rail Slider for SLR Cameras Features and Benefits: Precision Focus Control: Equipped with positive locking knobs to ensure stable and secure focus adjustments, allowing you to achieve sharp, accurate results during closeup or macro photography. Durable Construction: Made from quality PP material, offering strength and stability for consistent performance in demanding shooting environments. Compact and Efficient Design: 20mm size provides an ideal balance between portability and precision control, making it easy to carry while maintaining professional results. Compatibility: Specifically engineered for DSLR and SLR cameras. Hot shoe adapter block seamlessly connects with a variety of viewfinder accessories, enhancing shooting flexibility. Suitable for photographers using different DSLR brands who require dependable accessory mounting and fine focusing control. Applications: 1. Macro Photography: Achieve exact focus for capturing detailed shots of small subjects such as flowers, insects, or jewelry. 2. Product Photography: for tabletop shooting where precise focus positioning is critical for highlighting design details. 3. Field Work: Ideal for location shoots where quick setup, focus stability, and versatility are essential for capturing quality images. This hot shoe conversion macro focusing rail slider provides a reliable, portable, and precise solution for photographers who demand control, flexibility, and lasting performance in closeup shooting.