Tom Reubzaet There is no reason why that shouldn't work, In cropped mode. As said, the E mount range is not compatible with full frame shooting. Its a shame but professionals will understand the reasoning for this... Sorry no one had replied yet. This is probably too late, but just in case... I thought I would share my thoughts :)

The one thing I can say about the adapter is that, while it does seem odd that one is required to use the main feature of the camera, everywhere I have seen it sells it with the adapter included. In fact, if you buy it on B&H, they'll through in an Alpha mount lens and one E-mount lens for FREE AND THE ADAPTER all for the regular price. With a deal like that, this camera is more than worth it. Buying it anywhere else, probably not.

If you use an external recorder (such as the Ninja) you could easily get 220MBs and 4:2:2 out of this thing. Problem is, there are only a handful of sdhc cards that can handle 50MBs+, and then you have to move.up to CF cards, which eliminates most of the prosumer market sony is aiming for with this camera

I know man.. but the price of the camera is expensive enough to be added as an in feature in my opinion.. anyway..just sayin!

I'm not sure that would've solved the most glaring quality issues with this camera, namely the relatively low exposure latitude, extreme aliasing problems, and low resolving power. 4:2:2 by itself would only aid with transitions between colors (which is still nice, don't get me wrong) and a higher bitrate would mainly aid with reducing compression artifacts.

***** It's 50 megabits per second (Mb/s), though, not 50 megabytes per second (MB/s). Most if not all Class 10 cards on the market can handle 50 Mb/s with little issue. 50 megabytes per second, though, would be equivalent to 400 megabits per second, which is a huge data-rate for 1080p. Apple ProRes HQ for 1080p, as you pointed out, is 220 Mb/s.

I'm reading my own SDHC card right now, it's MB/s, not Mb/s, but that's beside the point. Most SD cards (class 10 UHS-1 included) are rated for an average write speed of 45 MB/s, and above that there are only a few that currently exist. You're probably thinking of the read speeds, which is almost always much higher on SD cards, and in some cases not properly labeled. Though you are correct on the speed translations from MB/s to Mb/s and their use in the 1080p arena, the fact is, 400Mb/s barely qualifies as acceptable for 2.5k or 4k video. Also, the 220Mb/s is also Avid DNxHD compliant. ;)

Con de Kirk I've been thinking about getting the a5100, but e-mount lenses are really expensive.