The Focus Adapter 3851 is designed to enable stable manual focus control over a wider area. It has a total length of approximately 15 inches (381mm) and is compatible with the 3010 series and 3850 with a standard whip mount. ■ Key Features 1. Multi-angle bending, coaxial rotation follow focus 2. Comfortable handling ■ Compatibility 1: Standard whip mount 2: 3850, 3010 series ■ Included Items 15 Whip x 1 ■ Notes Compatible with standard whip mounts. ■ Specifications Body Dimensions: φ75 x 360mm Package Dimensions: 75 x 75 x 368.5mm Body Weight: 165g ± 5g Package Weight: 230g ± 5g Material: AL6061 + Silicone