Rodenstock 5.6/300mm Macro-Sironar-N SN= 10'528'586 COPAL3 Above lens was "LOST IN TRANSIT" during shipment between U.S. and Europe (End nov-2008). It is missing now for 3 months, and it possibly got stolen. This lens is no longer manufactured, but shows up from time to time at auction sites. Should you see this lens, please inform me by PM. Thank you.