big sky montana wrote:
yes, I have the drop in filter that takes the 52mm threaded filter, i.e. the same idea as the one that screws onto the lens
To make this work you will need a 52mm filter of your choice. This filter will screw into the filter holder which will then slide into the lens barrel. B+W offers many diverse filters, you might try their cataloge. You are looking for a special feature filter and might have to search long and far. B&H has found several B+W specialty filters for me., you might try them. Good luck.