Cokin Creative Filter P173 Varicolor (Blue/Yellow)

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Summary: Cokin Creative Filter 173 Varicolor (Blue/Yellow)
Review: When you use Vari-colour filters you can produce truly bizarre effects, However, read the instructions carefully. Different rotations of the filter will produce very different results. The main possibilities are :

1 Use together with a Neutral or Circular Polarizer (160 164). Depending on the rotation of the Polarizer, you can vary the colors gradually from one extreme to the other. For instance, the red/blue goes from red through every shade of purple to blue.

2 If you have rotated the Polarizer (160 164) (with the Vari-Colour) to achieve a hue between the two colors of the filter, then when you turn the filter holder as a whole, that hue will not change but reflections will alternate between the two colors.

3 If you have already rotated the Vari-Colour and Polarizer (160 164 ) filters for maximum saturation in one or the other color, you can make reflections disappear by rotating the filter holder.

4 Using the Cokin Vari-Colour without the Polarizer (160 164 ), you can color reflecting areas in either color of the filter depending on the filter position, With filter No. 173, for example, the color will be either blue or yellow. The rest of the image will retain the color of the filter itself.