For photography enthusiasts, professional photographers, and anyone to improve their photography result in various lighting conditions The HB17 Lens Guard is to reduce unwanted lights and enhances color and saturation by blocking side light interferences, making it essential accessory For S 80-200mm 2.8D IF lens Crafted from durability ABS lens mount designing, this Lens Guard can be reversed for easy storage and transport, while its internal paint finish effectively minimizes light Perfect for outdoor and travel photography, daily photography, and complex lighting environment, ensuring clear and vibranted photography The Lens Guard not only prevents accidental damage and finger smudges on the lens surfaces but also offering protecting against sand, rain, and snow, making it a versatiled addition to your camera gear