I've now collected four 50mm lenses. Rokkor MC 58 1.4, SuperTak 50mm 1.4, OM 50mm 3.5 macro, OM 50mm 2.0 macro. Clearly some overlap (I'll save you the history on how I got here). The SuperTak has a warm (radioactive tone to it, and has great focus ring action, but at 1.4 it's REALLY soft, but sharpens one click down, and even better two clicks down. I'm not a fan of the "auto" switch though, which is so easy to bump, and sets the lens to 1.4. Also, the lens is soft to the corners. This was my first MF lens on my EP1, and I looked next for a macro. OM 3.5 is a nice lens, but at 3.5 on m43, really is only a macro. It's not fast enough for portraits, IMO. Nice lens in general, though. Found the old Rokkor (metal knuckle focus ring) at a show for cheap, and decided to see if it would replace my SuperTak. It's not as soft at 1.4 as the SuperTak, but it's still soft. Sharpens at 2.0, but specular highlights starts getting angular. It's also heavier than the two above, and in this copy, the focus ring is really stiff (though the upside is that it holds focus!). It's color is much cooler than the SuperTak, though better to the edges. OM 2.0 macro has very nice bokeh and is sharp at 2.0 (stopped down, and the spec. highlights get angular). It's big, and the most expensive of the 4 (at $350 from B&H). There's a little crud in the lens. Don't think it'll show up, though. Sharp and accurate color. I'm thinking I should keep the OM 2.0 for macro and portraits and the SuperTak, which has a unique color and feel and is only worth about $30 anyways. None of them are expensive, but it seems silly to have four 50mm lenses. Maybe I should just sell the 3.5 macro (which has clear overlap), because the Rokkor's only a $30 lens itself. Don't know why I'm posting this. Just fishing for thoughts/feedback. One question, though -- the Rokkor adapter (an RJ MD-m43) leaves a little play between the lens and adapter. Left/Right play, not forward/backward. Is anyone elses MD adapter slightly loose, or should I expect nice and tight? My SuperTak and OM adapters are both tight.