yo, coming back to this cuz I've spent way too much time and money on this exact setup lol. Honestly, it basically comes down to how much weight ur willing to haul and ur budget. Check out the 'CineD' gear guides or 'RigWheels' site if you wanna see some technical breakdowns of weight distribution for these specific bodies, they're super helpful resources for planning a build. * **Option A: The SmallRig Value Route.** I'd go with the SmallRig Camera Cage for Sony FX30 / FX3 4183. It's around $90 and super modular. Pair it with the SmallRig Swivel and Tilt Adjustable Monitor Mount with Cold Shoe 2905B for that Ninja V. It works, is cheap, and gets the job done.
* **Option B: The Tilta Pro Setup.** If u want something more 'integrated,' the Tilta Sony FX3/FX30 Pro Rig Kit V2 is a beast. It's pricier (like $250+) but feels way more solid for daily pro work and has better mounting points for the FX3 handle.
* **Option C: Powering it all.** You gotta get the SmallRig Compact V-Mount Battery Plate with Crab-Shaped Clamp 3204. It lets u mount a SmallRig VB99 Pro Mini V-Mount Battery on the rods or cage to balance the lens weight. Tbh, SmallRig is the best value choice, but Tilta has better ergonomics for long days. gl!

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👆 this

Honestly, I've spent way too much time falling down the rabbit hole of brand loyalty in this space. I remember when the market was basically just one high-end boutique brand and a bunch of cheap knockoffs, but these days the gap between the mid-tier stuff and the pro gear has narrowed so much it's crazy. Tbh, my journey with the FX3 started with a full kit from one of the major names mentioned, but I quickly realized that their ecosystem was too closed off for my liking. I ended up mixing and matching parts from three different companies just to get the ergonomics right. One brand usually wins on the machining quality of their handles, while another has that really slick quick-release system for monitors that actually stays tight. The biggest thing I learned after years of this is that the best rig is rarely just one brand out of the box. I used to care about everything matching, but now I just look for who has the best tolerances on their rails and which battery plates dont feel like they're gonna snap off. Market-wise, the innovation is coming from the companies that actually listen to feedback on things like cable management and port access, which is where my current setup finally landed.

Facts.

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Ive been really happy with keeping things simple on my a7S III, no complaints at all about a basic setup. It really reminds me of when I first started out and took this ancient DSLR on a road trip through the desert. I didnt have any rigging back then, just a shaky hand and a dream lol. We stayed at this one motel that had a neon sign that buzzed so loud it actually showed up on the audio track of every single clip. I tried to fix it in post for like ten hours but gave up and just called it atmosphere. Its weird how small stuff like that sticks with you years later. My car also broke down on the way back and we had to hitch a ride with a guy who sold artisanal honey out of his trunk. It was actually pretty good honey tho. Anyway lol.

Saw this earlier and wanted to jump in! Real quick tho, are you planning on running heavier cinema glass with adapters or just sticking to native Sony GM lenses? It totally changes how you need to think about rod support and center of gravity. If you want pure performance, I love the FXLION Nano One 50Wh V-Mount Battery because it is insanely compact for the FX3. You get the D-Tap and USB-C output without the massive footprint of a traditional brick. Contrast that with the SmallRig VB99 Pro Mini V-Mount Battery which is fantastic because of the 99Wh capacity and better OLED status screen, but it definitely adds more weight to the rear. For the power delivery itself, the Zitay Sony NP-FZ100 Dummy Battery to D-Tap Cable is basically mandatory for the a7S III. It handles voltage regulation like a champ so you wont get those weird mid-shoot shutdowns. If you're doing all-day events, go with the 99Wh, but for run-and-gun stuff the Nano One is amazing!