[Premium Optical Lens] Crafted with Corning Glass and aluminum alloy for superior image quality and durability [Dual-Layer HD Coating] Enhances image clarity and protects against scratches and environmental factors [Ultra-Wide 180° View] Captures expansive scenes with incredible detail, perfect for action and landscape shots [Secure Threaded Mount] Ensures a stable and reliable connection to your action camera [Compact & Lightweight] Weighing just 37.5g, this lens is ideal for on-the-go adventures without adding bulk [Protective Cover Included] Comes with a free protective cover for safe storage and transportation Specifications: Material: Corning Glass + Aluminum Alloy Net weight: 37.5g (1.32 oz) Product dimensions: 3.9 x 3.9 x 1.7 cm (1.54 x 1.54 x 0.67 in) Lens features: Oil & Water Repellent, Scratch-Resistant Field of view: 180° Ultra-Wide Mount type: Threaded