This 0.39X wide-angle macro lens creates a wider perspective and deeper sensor. The professional Japanese optical glass captures more light and reduces glare and reflection. Lens mount 30mm, comes with a 37mm to 30mm adapter; works with 30mm/37mm camera mount. Features: 0.39 times wider lens angle - capture photos from a larger perspective. A detachable macro lens for close-up photography of small objects - get closer and bigger. Professional Japanese optical glass ensures better light transmission while reducing unwanted glare and reflection. High-quality aluminum alloy construction. Lens mount 37mm, comes with a 37mm to 30mm adapter; works with 30mm/37mm camera mount. 74mm filter mount. Specifications: Material: Aluminum Alloy & Optical Glass Lens Multiplier: 0.39X Structure: 2G Lens Mount: 37mm Adapter: 37mm to 30mm ND & CPL Mount: 74mm M.O.D: 0.1mm Max. Image Circle: greater than or equal to diameter 6.2mm EFFL: 4.95~49.5mm Function: Macro Lens, Wide Angle Item Size: 7.4 * 7.4 * 4.4cm / 2.9 * 2.9 * 1.7 (with cover) Item Weight: 135g / 4.8oz (with cover) Package Size: 8 * 8 * 7.5cm / 3.1 * 3.1 * 3 Package Weight: 173g / 6.1oz Package List: 1 * Lens with cover 1 * Adapter 1 * Pouch