This is the Olympus TCON-14B. It is a 1.45 teleconverter, and this baby is big. The camera end is 62mm and the filter end is 86mm. The lens is 3 1/2 inches across and about 2 1/3 long. It is a very high quality lens and takes very sharp pictures.

They cost around $130 if you look around.

By Bill Huber