Just picked up a Takumar 55mm f2. The lens is in good shape, but the filter ring is a little dented which shouldn't be an issue since I don't plan to use a filter. Also ordered a Fodiox M42 to m 4/3 adapter from Amazon. Question, so how would I shoot with this lens and my EPM2? I know I need to use 'A' mode and let the camera choose the ISO and Shutter speed, and I'll have to focus manually. Anything else I should do or need to know? Also, what's f/m (feet/meter) measurement between the Focus and Aperture ring? Do I need to adjust that? It seems to sometimes move with the focus, and sometimes not. Thanks.