Vivitar 82mm Universal Flower Lens Hood for Camera Lens - HF-DH82 Action Cameras Four aspheric lens elements help

Four aspheric lens elements help minimize distortion from the center of the image to the periphery and across the entire zoom range

Three ED (Extra-low dispersion) glass  elements

you can listen for longer with 80 hours of battery life

35mm equivalent on APS-C and Super-35bodies

Vivitar 82mm Universal Flower Lens Hood for Camera Lens - HF-DH82 Action Cameras Four aspheric lens elements helpProduct Features Acts as a protective barrier for your lens so a lens cover is not needed Specifically changes the focal length of the lens, expanding it beyond its original placement for a wider range of shots Allows you to take images with different borders and sizes