Will a macro lens help in this situation?

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http://forums.anandtech.com – I'm a total photography noob. In fact, technically, I'm not even taking the pictures in this scenario, my GF is... but I'm the one who may be buying a $300 macro lens as a Christmas present, and I want to make sure it's actually going to do what she thinks it will (after spending a few hours researching, I think the answer is no, but I'm not certain). What she uses the camera for: She uses it for lots of stuff, but the specific "problem" scenario is taking close up pictures of food (something like this). Cameras she uses: A Sony NEX-C3 mirrorless large sensor camera (with th (Hardware)