What type of listing is this? Want to Buy What are you trying to sell/buy/trade? WTB: Canon Drop in filters for 400mm f/4.5 FD What are your prices? Where are you located? USA Where are you willing to to ship? Description I am looking for drop in filters to fit this lens. I would prefer the set, but individual ones may be considered. Let me know what you may have and your prices. Thanks Payment accepted Regular PayPal (fee included in price) Shipping method Shipping charge Handling time References Additional comments Acknowledgement I have read and agree to the Buy and Sell rules.