The ricoh tc 1 telephoto lens is a conversion lens for the ricoh gxr s10 24 72mm f25 44 vc camera unit when attached to this unit via the ha 3 lens adaptor sold separately the tc 1 provides a magnification of 188x taking the 24 72mm lens up to a focal length of 135mm the ricoh tc 1 telephoto lens is supplied with its own case for storage and transportation