Features: Designed for MFT Mount Cameras and for Canon EF Lenses. Magnification of 0.75x. Increase an Additional Stop of Light, T-Stop Display. 4 Element 4 Group Optical Element, Seven Layers Anti-Reflective Coatings. Enhanced Performance on MFT. Wireless Remote Focus and Aperture. Solid Metal Build Quality, 1/4" mount. Separate Extended Cable and Bracket. Specifications: Brand: Aputure Model: DEC LensRegain For Canon EF 70-200mm f/2.8L IS II USM For Canon EF 40mm f/2.8 STM For Canon EF 24-70mm f/2.8L II USM For Canon EF 24-105mm f/4L II USM For Distagon T* 35mm f/1.4 For Canon EF 50mm f/1.8 II Package Size: 28.5 * 13 * 24.1cm / 11.2 * 5.1 * 9.5in Package Weight: 2.1Kg / 4.6Lbs Package List: 1 * Grip 1 * Focal reducer adapter 1 * Claw clip 1 * Control box 1 * Lens rear caps 1 * Lens caps 1 * Lanc cable 1 * GH series remote cable 1 * Charge*update cable 1 * Safe case 1 * Andoer Cleaning Cloth 1 * Product manual(English)Lens Adapter with Wireless ControllerRemotely Control Focus, A-B, Iris and NDBuilt-In Electronic Variable ND FilterND8 - ND2048 (9 Stops)