The lee seven5 polariser has been made with a unique clip on design and can be snapped onto the front of the seven5 filter holder not included available separately the seven5 polariser filter allows you to significantly reduce reflections and glare from non metallic surfaces the polariser also enables colours to become more saturated and appear clearer with better contrast this effect is often used to increase the contrast and saturation in blue skies and white clouds lee seven5s polaris