Look, in my experience, the absolute best bang for your buck right now is the Sigma 56mm f/1.4 DC DN Contemporary Sony E-mount. Ive tried many lenses over the years, and for $500, nothing else really touches this for portraits. It is super sharp and the f1.4 aperture gives you that really nice blurry background everyone wants. If you are using an APS-C camera like the a6000 or a6400, it is perfect. If you have a full frame body, you could use it in crop mode, but honestly... for $500, you might also look for a used Sigma 85mm f/1.4 DG HSM Art Sony E-mount if you can find a deal locally. The 56mm is the safer bet for next week tho since you can just grab it new and be ready to go. Dont worry too much about picking the wrong one, Sigma is solid these days. Just practice a bit before you head to Austin and youll be fine. Feel free to ask if you need help with the settings once you get it.

To add to the point above: I’ve actually been pretty disappointed with the 56mm for indoor events lately. It’s an incredible piece of glass for headshots, sure, but unfortunately the focal length is just too tight for a party. I’ve had issues with it in Austin bars specifically... you end up just getting photos of people's ears because there is no room to back up. If you're nervous about missing shots, that lens might actually make things harder for you since you have to stand so far away from the action. Quick tip: Use Eye-AF mode and keep your shutter speed above 1/200. Parties have lots of movement and you dont want blurry faces.

• Sigma 30mm f/1.4 DC DN Contemporary Sony E-mount is a much better choice for social stuff. It gives you a 45mm equivalent view which is way more natural for groups and candids.
• Sigma 16mm f/1.4 DC DN Contemporary Sony E-mount is worth looking at if the venue is tiny, tho it can distort people if you are too close to them. Honestly, the 56mm is technically superior for background blur, but the 30mm is what I’d actually carry to a friend's bash. It is cheaper too, so you will have money left over for a spare battery or some drinks. Dont sweat the technical specs too much, just focus on catching the vibes. Lemme know if you need help with the specific camera settings once you pick one.

ngl $500 is a bit tight if you're buying brand new glass, but I've been super satisfied with the Sigma 30mm f1.4 DC DN Contemporary Sony E for exactly this kind of thing. It's wider than the 56mm so you wont be backing into walls trying to fit everyone in the frame at the party. It works well in low light too which is huge for Austin nightlife... Heres a couple things that helped me when I started:

• Look at the Used section on sites like MPB or KEH. You can usually find this lens for way under your budget and they're reliable.
• Check out the website Photography Life for real-world sample shots so you can see the focal length in action. Honestly, dont stress too much. This lens is a total workhorse and pretty much stays on my camera 24/7. No complaints here, it just works. Have a blast in Austin!

Same here!