According to the classic rules of landscape layout, the sky occupies 3/5 of the space above the line of horizon. In photography
...The T1 Cokin P124 Gradual Tobacco P-Series filter has a progressive graduation from the middle to the top of the filter & will
...The T2 Cokin P125 Gradual Tobacco P-Series filter has a progressive graduation from the middle to the top of the filter & will
...The Cokin P123S Gradual Blue B2 Soft Filter is a colour graduated filter, & is colour-toned in one half of the filter, & has a smoothly graduated transition into the clear portion. The coloured & clear image portions can be brought into the position you desire by adjusting the filter in the holder. Cokin colour graduated filters can be combined with other Cokin filters. Two colour graduated filters rotated 180 degrees to each other allow a composition of colours to fade into each other. This filter measures 85 x 85mm & only fits the Cokin P series holder.