Recently I was shooting some portraits and I needed a fast, roughly 50mm lens. I used my Takumar 50/f1/4. However, this lens is just a touch too long for shooting more than one person in a small room. I own a Hexanon 40/f1.8, which would have been a better length, but I didn't have it with me, and I don't really care for the color tones of that lens. I think I would like to add another 40mm lens to my kit to replace the Hexanon. The Minolta 45/f2.0 and the Olympus 38/f1.8 both seem like good candidates. Can anyone compare the two and comment on which would be the better lens? Assume that I'm going to typically use it stopped down one or two stops. How would their sharpness and clarity compare?