Cokin A263 Canon 3570mm Zoom Lens A Series Adapter Ring

Cokin A436 36mm A Series Adapter Ring

This Cokin 36mm Adapter Ring with 0.75mm pitch thread is specifically designed to attach Cokin's ""A"" series filter holder to lenses with a 36mm filter thread.

Cokin A444 44mm A Series Adapter Ring

Cokin P449 49mm P Series Adapter Ring

This Cokin 49mm Adapter Ring with 0.75mm pitch thread is specifically designed to attach Cokin's ""P"" series filter holder to lenses with a 49mm filter thread.