You asked
What lenses should I buy for the olympus pen e pm2?
Here is what the site says about that.
From Olympus PEN E-PM2: Olympus PEN E-PM2: A mirrorless camera by Olympus with a 16.1-megapixel Micro Four Thirds sensor, announced in 2012. The smallest PEN, with few controls and the 16MP sensor of the first E-M5. Specs - Maker: Olympus - Mount: Micro Four Thirds - Sensor: Micro Four Thirds, 17.3 x 13mm, crop factor 2.0 - Resolution: 16.1 megapixels - Stabilisation: in the body - Announced: 2012 - Type: mirrorless camera Focal lengths on it Lenses ...
From cst1 likes cameras: How to choose, in three questions: 1. What do you want to photograph? People, places, wildlife, sport, video, or a bit of everything on holiday. Pick your use case below and start there. 2. How much will you carry? The best camera is the one you take with you. A big kit that stays at home takes worse pictures than a pocket camera that comes along. 3. Which lenses will you want in two years? You ...
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