Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
Well, upgrading from d3200 to d7100 is convenience.
Upgrading to full frame increases low noise capabilities.
It's up to you to decide whether your camera is limiting you.
Yes, there are practical reasons.
You may decide that you want the sharpest, fastest glass. You could use these on your d3200, but Full Frame would make them way more special.
You may decide that you need programmable dials as you find yourself always heading back to that same subject.
You may get frustrated that you need to change battery every 500 shots on your d3200, a d4 for example would give you over 2000 shots per battery!
You may want to shoot both raw and jpeg - in which case, a camera with a second memoryslot will allow you to separate them.
You may find you use speedlights more and more - making that pop up thing on the top of your camera quite redundant, and a waste of space.
Many more reasons, BUT, they are all reasons you will encounter once you reach the potential of your current camera, and realize you want to go further...
The viewfinder of the D3200, with its small and relatively dim pentamirror, pales in comparison to say, an FX camera with a pentaprism viewfinder. The ability to see through the camera with a larger, brighter, crisper viewfinder image is one of the main differences between a lower-priced camera with a pentamirror, and a camera with a viewfinder system that is state of the art, as opposed to an economy-designed finder. The clarity, brightness, and the eye relief of the better cameras, the ones that Nikon equips with the ROUND EYEPIECE, is one of the physical design advantages of the higher-end Nikon bodies.
The actual imaging sensor of the D3200 is currently pretty much state of the art. But it is trapped in a $500 body. Also, if you want to do things like FP-Synch flash, shooting flash at high shutter speeds in bright light, the D3200 is simply unable to do that. The D3200 also cannot command remote Nikon flashes either. Those features are reserved for higher-line models.