Cokin 77mm Adaptor Ring for P Series 82 MM Simply wraps round your key

Simply wraps round your key on your key-ring giving you 8 essential tools including bottle opener

allowing you to photograph with a wider aperture or longer shutter speed than normally required

and many optical resin filters

HOYA VARIABLE DENSITY 82MM FILTER 3-400

Cokin 77mm Adaptor Ring for P Series 82 MM Simply wraps round your keyThis 77mm P Series Filter Holder Adapter ring from Cokin screws onto the lens' front threads of the same diameter and enables the P Series Adapter Ring to attach to the P series Filter Holder. Once the adapter and holder are attached to the lens filters can be slid into the holder and be used accordingly. Enables Use of Cokin P Filter Holder Anodized Aluminum