Dust, fingerprints, and smears on the camera lens can cause several issues that degrade your photos. These contaminants scatter light, creating blurry or hazy images, particularly in areas with intense light or high contrast. When the lens is dirty, the camera may struggle to focus correctly, resulting in blurry pictures. https://sigmaphoto.com.pk/camera-lens-cleaning-tips-how-to-keep-your-lenses-in-perfect-condition