<B>Hoya 52mm Red 25A Filter Review</b><P>http://tinyurl.com/n2qh5lo <P><P> Hoya 52mm Red 25A Filter <P>Darkens blue creating dramatic contrast between sky and clouds.<P>Creates greater contrast between flowers and foliage.<P>Used in scientific photography.<P>Excellent for copying blueprints.<P>Not recommended for skintones.<P>
