This 0.39X wide angle macro lens offers a wider perspective. The professional optical glass allows more light in and helps reduce glare and reflection. The lens mount is 30mm, and it includes a 37mm to 30mm adapter, compatible with 30mm/37mm camera mounts. Features: - 0.39 times wider lens angle for a broader perspective - Detachable macro lens for close-up photography of small objects - Professional optical glass enhances light transmission while reducing unwanted glare and reflection - High-quality aluminum alloy construction - Lens mount is 37mm, with a 37mm to 30mm adapter included, compatible with 30mm/37mm camera mounts - 74mm filter mount Specifications: - Material: Aluminum Alloy & Optical Glass - Lens Multiples: 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 covers) Item Weight: 135g / 4.8oz (with covers) Package Size: 8 * 8 * 7.5cm / 3.1 * 3.1 * 3" Package Weight: 173g / 6.1oz Package List: - 1 x Lens with covers - 1 x Adapter - 1 x Pouch