The olympus tcon t01 teleconverter is a dedicated teleconverter for use with the olympus tg 1 waterproof digital camera the olympus tcon t01 lets you increase the optical zoom on the tg 1 from 4x to 68x for dramatic vibrant close ups with a professional background blur using the super resolution zoom feature of the tg 1 you can even reach 136x magnification the tcon t01 teleconverter is waterproof to 12 meters and is particularly useful when shooting subjects at a distance in order to att