Olympus 4CM/F2.8 LTM Lens

[hilltime]

Anyone have any experience with this rare optic which I have just got along with a Leotax DIV? Any thoughts or results? It is probably from the last few hundred made, maybe late 1951, according to any information I have been able to get.
Gary Hill

 

[hilltime]

Here are a couple images of the lens and Leotax DIV