Gradual Blue filters are ideal for enhancing a grey and dull sky by adding blue tones, leaving anything below the horizon unafected. Available in 5 strengths depending on how subtle an affect is desired. The 123S is a "Soft Grad" with the graduation occurring in the bottom third of the filter.
When the sky is not as blue as one wishes, the setting sun not as radiant, or if one wishes to add a touch of personal color, the colored graduated filters are the right answer. They darken one part of the image (most often the upper part) by adding the appropriate tint, blue, tobacco, sunset...
|Compatibility||For Cokin P Series|