/cgl/ - Cosplay & EGL

Any shutterbugs in this thread, I need your help buying a camera for AX.

Every year one of my favorite activities at Anime Expo is taking a truckload of cosplay and related photos (and subsequently dumping them in this thread), but while my Android's camera isn't the worst it's certainly not ideal for more professional quality photos and since I've got a much better paycheck now I can afford to get a camera more suited for these kind of events.

What camera should I buy? I'm pretty uneducated in specs but for a low light environment I should be looking at a 50mm f/1.4? Also I'm trying for a model that's as compact and subtle as possible; not trying for a super-high end cinderblock like I want a job at the Daily Bugle but something more medium in size if possible. Thanks in advance for any constructive advice.