HOYA PROND16 GRAD filter represents blender type graduated round filter designed to balance the luminosity of bright areas with the dark areas in the image. Suggested for those photographers who are specializing mainly in landscape photography. A blender type filter is highly versatile and can be used in a variety of situations. especially when the scenery and horizon have a complex or uneven structure. HOYA PROND16 GRAD filter incorporates ACCU-ND technology. providing the highest quality and the best experience for the photographer.For JPEG users it is a crucial output. Graduated filter helps to adjust the luminosity of a bright sky with the terrain and as a result we have excellent. overall well exposed ready-to-go image.For professional photographers who work with RAW data. graduated filter will help to preserve rich pixel data in bright areas. That will make further post-editing process easy and time-saving. Especially this issue concerns bright areas. where pixel rescue is the mo