I know the E550 and E900 are compatible and think the only difference between the E550 and E510 is in the adaptor tube, so if you have the tube already this item from Amazon might be good for you
I know the E550 and E900 are compatible and think the only difference between the E550 and E510 is in the adaptor tube, so if you have the tube already this item from Amazon might be good for you