Second times' the charm... http://www.chapea.com/Lanyard-Reflectante/en http://www.alibaba.com/product-detail/Hot-sale-and-promotional-reflector-Lanyard_1104449300.html So those exist and they should show up on all flash photographs. Of course they will be more or less invisible to sesse with his D4 and a few kilograms of glass. Richard