Tiffen #1 B&W Viewing FilterThis handheld filter is designed to be used on your eye not on your camera so you can better visualize light and contrast for black and white shooting. The brownish filter helps strip away most of the colour information, so while you won't be looking at a pure black and white image, it'll keep your squirrel brain from getting too distracted. In excellent condition. And don't feel bad about the squirrel brain thing, it happens to all of us.