Quote Originally Posted by wiltw View Post
Some cameras which take two LR44 or 357 do not well tolerate a single 3V Lithium substitution! It is not uncommon for Lithium to be EXCLUDED by a manufacturer. Bronica/Tamron excludes Lithium for its SQ and GS medium format, while it is OK for the ETR.
The OP cited Nikon and Minolta, of which I have both, and both have no problems with the 3V lithium battery. I also have CV Bessa bodies using them. I have been using the lithium batteries for many years and I am surprised to learn that some camera manufacturers warn against them.