Tiffen hard edge horizontal graduated ND filter set with 0.3, 0.6 and 0.9 grad filters. PV / 4x5.65" size.
Use graduated ND filters to balance exposure within a scene - typically to balance the sky with the foreground - or for other creative applications.
Hard edge grads are most often used with telephoto lenses. For wider and standard lenses, soft grads are often preferred.
The following items are included when you hire the Tiffen 4x5.65" Hard Edge Horizontal Grad ND Filter Set: