Protect the lens of your Nikon Key Mission 170 action camcorder underwater with the Nikon AA-15B Underwater Lens Protector. Its flat design enables you camera to focus in a marine environment, allowing you to capture memorable underwater shots. Capable of protecting lenses from dirt, marine particles & disturbed sand or silt, the AA-15B Underwater Lens Protector is an ideal accessory for your Nikon Key Mission 170 action camcorder.