Hoya 49mm Graduated Filter Gradual Colour
Hoya 49mm Gradual Color Blue Filter is excellent to use for photographing bright contrast landscapes. This is especially true in situations where you don't have total light control, as in bright contrast landscapes. Sometimes it is also desirable to add color to part of the photograph. For example, to add blue to only the sky.
Half-Colour series except that colour density gradually decreases near the centre of the filter allowing emphasis of foregrounds or backgrounds. Using the right gradual blue filter will ensure that the image maintains a natural appearance. Their color gradually fades out so the boundary between the colored and transparent sections will not become apparent even with the lens aperture stopped down.