SIRUI GND Filters One filter for two worlds. GND Filter is a filter that has graduated transparency.It is designed to help reduce the brightness in only part of the image. Perfect for landscape photography to balance the exposure difference between the bright sky and the darker ground to make the exposure more even and get a natural balance within the image. Model: SIRUI Soft GND4 (0.6) 2 Stop Graduated Filter Function: Helps to balance the brightness level in bright light or uneven lighting conditions Material: Top quality Schott Optical Glass B270 Size: 100mm x 150mm The SIRUI Soft GND Filter has a natural graduated transition from top to bottom, perfect for shooting landscapes with challenging areas of bright and dark Perfect for photographing mountains, trees and buildings without a clear defined transition between light and dark The Soft GND can be used for most scenes to enhance the colour and overall balance of the image What's in the box 1x Graduated Filter 1x Portable Padded Bag