Place your order by 4:00 PM EST Tomorrow and your order will ship the same day. For further details see delivery estimates in cart. All orders are subject to verification. International orders are processed the next shipping day.
The Cokin 37mm Extension Ring provides an increase in distance between the filter ring of a lens and a filter holder in order to accommodate retracting lens designs that are common on many zoom lenses. This ring is compatible with filter threads measuring 37mm in diameter and accepts filters, holders, or adapter rings that are also 37mm in diameter.