I just shot a few pictures with this lens on the camera in my garden. There does not appear to be any focussing problem. It does suffer from flare without a hood.
I only resized the images; all were shot at 400 ISO, with f/8 and f/3.5 and focus distance around the 3.5 feet
My 35mm ELMAR serial number starts with 236XXX, marked in feet, has a nickel finish , and aperture markings from f/3.5 to f/18.
The LTM-to-M adapter I use is an unmarked brass one I bought online from Hong Kong.
I'm sorry, I have no idea why yours does not work correctly on your camera.
Regards,