B + W 39mm #090 Multi Coated Glass Filter - Light Red #25

This filter is ideal for enhancing contrast.It is also used for tonal separation in still-life photography.In landscape and architectural photography, it enhances white areas, for example, letting clouds stand out clearly against a darkened sky and drastically reducing distant haze
Product DescriptionThis filter is ideal for enhancing contrast. In landscape and architectural photography, it enhances white areas, for example, letting clouds stand out clearly against a darkened sky and

Source: Digital Camera and Video Store...