f/2.8

Hi Guys, Thinking about purchasing Tamron 28-75mm f/2.8 as a walkaround lens for events/portraits Any suggestions/feedback regarding quality would be welcome. I owe a Nikon D5100

Hi All, I have a Olympus Pen Mini (EPM 1), and i also have 2 lens' for it. The 14-42mm f3.5-5.6 lens and the 40-150mm f4-5.6. I want to get a prime lens which will give me better color, better bouquet, and should be considerably faster than my kit lenses. In my camera, ISO more than 800...