In article , segawa@netone.com says...

>Curious as to how good a performer the Leitz/Minolta 40mm lens, as sold
>with the Leica CL, is when used on a regular Leica M body. Price seems very
>good, and compactness would be appreciated. I realize that I'd be
>guesstimating framing: What framelines will show up if it's used on an M4
>body, anyway? What about the version sold under the Minolta name: Can I get
>great results for even less $$ ?

I tried two, one made by Minolta, one by Leitz - I thought that they
were both not very good performers, particularly at wider apertures.
BTW, with the Leica rf VF framing inaccuracy, I would be more inclined
to use a 50mm on the CL with the 40mm frame lines, and a 40mm on the
M's with the 35mm frame lines (though I don't know which frame lines
show up automatically with these lenses on these bodies).
Hope This Helps