Cokin A123 Gradual Blue B2 Filter
This product is no longer available or has been replaced by a newer model.
By enhancing the blue of the sky, the graduated blue filter underline the colours of mountain landscapes. They are also good for sea photography, where they intensify the white sparkle of breaking waves. The filter's colouru gradually fades out so the boundary between the coloured and transparent sections will not become apparent even with the lens aperture stopped down. More