EW-55 lens can effectively block out stray light for clearer shots. For 28mm Lens Users Crafted with an aluminum alloy finish, the EW-55 lens prevents unwanted reflections and optimizes vignetting and distortion caused by turning on Designed for photographers who demand the best quality, the EW-55 lens is a must have accessory for 28mm lens owners. Increased clarity and contrast to take photos to the next level Whether it's landscape photography, portrait or street photography, the EW-55 lens improves shots in all lighting conditions while providing added protection from accidental accidents Upgrade your photographic equipment with the sleek and functional EW-55 lens. Its user-friendly design allows the 55mm filter and lens cap to be installed seamlessly for convenience and versatility