I I like your little lens... recently sold my front mount shutter..I had made front mount plates for it so it would fit on all of my lenses... It had different plates that would mount the shutter to the lens by friction ....Attached to this would be nice 4 1/2 inch filter slot...........This would slip over a large lens shade as well as a short wide angle lens shade...It was a hot set up I must say ...The hole in the pressure fitting plates would be lined with velcro...I believe I have some pictures if you would like to see them..

John Cremati