Lens quality refers to the ability of a lens to produce clear and sharp images. It is influenced by factors such as the materials used, the design of the lens elements, and the manufacturing process. High-quality lenses minimize distortions, aberrations, and other optical flaws, resulting in better image clarity and color accuracy. In photography, camera lenses with superior quality are essential for capturing detailed and vibrant images. Professional photographers often invest in high-quality lenses to enhance their work. Similarly, eyeglasses with good lens quality can improve vision and comfort for wearers, making it important to choose lenses that meet specific optical standards.