Archived posting to the Leica Users Group, 2002/02/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The T adapter was the original one and offered no automation. The T2 offered auto diaphragm. As sophistication in camera features advanced, T mounts progressed to accommodate the new feature such as AE exposure as so forth. As I recall the T4 was prevalent with Vivitar lenses and mated to lenses with a special locking mount instead of a screw mount. Joe - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html