What are my options for buying a new camera for filming?

I'm a entry level guy trying to gain ground in the film industry. About a month ago I bought my first camera the Nikon D3100. Its a good camera but I wish I had done more research before buying. The limits on the camera are a bit discouraging in my opinion. Shooting at a mere 30fps, not external mic input, and the noise it makes when filming because of the Auto-Focus, i'm pretty much preparing myself to get a new camera. But I have to make the most of what i have for right now. I was going to buy a lens for it but now i'm not so sure i should. So what should i do? Should I get a better DSLR camera? Or should i save up for a Professional grade camcorder?

Shooting video is best left to using an actual video camera like those made by Panasonic, JVC, Sony and Canon.

Anyone shooting video using a digital SLR needs to learn how to use a technique called dual sound recording.

You use a good external sound recorder to record pristine sound and then in post after syncing it with the crummy sound recorded by the camera (they all record poorer sound than using an external sound recorder), delete the crummy sound A Zoom H1 will cost you under $100 and will produce the kind of sound you really were hoping for using the tiny microphone embedded in the camera.

And yes, if your goal is to shoot video, you need to consider saving your pennies until you can budget for an entry level proper video camera like the Panasonic AG-AC160A. It has three sensors, XLR audio inputs, Genlock, built-in SMPTE time-code generator/reader and much, much more that you really need to produce high quality video.

The video below shows you how the audio for videos are really done and the great thing is the same gear works if you buy a new camera:

If you are not happy with the DSLR - then of course you should NOT buy more lens. You will just have to toss it in when you sell the thing.

You will also need:

* Tripods

* Light Kit

* Video editing software & PC powerful enough to edit

Basically - you have a LOT to learn about the technology, scripting, process flow, etc., before that camera starts to limit you.

30 fps on your Nikon vs a 4K, 60 fps will produce the same results at this point in your career. The camera is not limiting you - your experience at making films is the problem.

Use that camera, write scripts, shoot, edit, repeat. Show to friends, get feedback, do it again.

You should have bought a proper Video Camera or Camcorder.
A DSLR is essentially a "stills" camera which has a video function.

The correct tool for capturing video is a digital camcorder so here are your options.

Option 1: http://www.bhphotovideo.com/...Camcorders

Option 2: http://www.bhphotovideo.com/...4291215468

Now, if you insist on using a digital camera for video, at least know exactly why you wish to do so.