The Cokin Z707 Cyan CC (CC40C) Filter is a colour correction filter that allows you to bring pink tones into a more neutral image. Ideal in an environment with predominant lighting. The abbreviation CC40C in the name indicates that it is a colour correction filter (CC) with a density of 0.40 in the colour cyan.
To find out which correction filter you need in a situation, you can use a colour temperature meter. The Cokin Z707 filter is suitable for use in the Cokin Z-Pro series filter holder.