A wide-angle lens is a photographic lens with a shorter focal length and a larger angle of view than a standard lens, and a longer focal length than a fisheye lens and a smaller angle of view than a fisheye lens. Due to the short focal length and large angle of view of the wide-angle lens, a larger area of the scene can be captured within a short shooting distance range. Therefore, it is widely used in the shooting of large-scale scenery photography works. Features: Lens barrels are made of high-quality aluminumAll outer surfaces are finely anodizedThe metal outer layer is hard and wear-resistant, moisture-proof, corrosion-resistant, and pollution-resistantLenses are made of environmentally friendly glassQuality is strictly monitored in each process such as coating and grinding. parameter: Interface diameter: 55mmFront end diameter: 62mmMagnification: 0. 45Weight: 139gColour: BlackMaterial: aluminum magnesium alloy, optical glassKeywords: wide-angle, macro, wide-angle lens, macro lens, lens 55mm 0.45x Wide Angle Lens with Micro Optics As one kind of photographic lens, wide-angle lens' focal length is shorter than that of standard lens whilst longer than that of fisheye lens, and viewing angle, larger than standard lens while smaller than fisheye lens. Short focal distance and big viewing angle of the wide-angle lens lead to a relatively larger shooting area within a relatively shorter shooting range, thus the wide-angle lens are widely used to shoot big scene. Features: Lens cone made of superior aluminumAnodized finish surfaceHard, wear-resistant, moistureproof, anti-corrosion and anti-foulingLens made of environment-friendly glassThe quality is controlled in coating and polishingSpecifications: Mount diameter: 55mmFront diameter: 62mmMagnification: 0. 45Specifications: 139gColor: BlackMaterial: aluminum magnesium alloy, optical glass