God, I just want a FF 7D... that's all I'm asking for.
I don't feel it should be that difficult! seriously! If you change the APS-C sensor for a FF sensor and charge 1000$ more that should really be easy to do.
I dont use ISO above 3200 in 90% of the situations so I seriously don't care about ISO12800 being the "best" etc I just want super IQ at low ISOs in a FF body.
Hell, if they just put the existing 5DII sensor, tweak it a bit to shut up all the banding claims and put it in the same 7D body I'll be happy.
It is much more difficult than you realise! The sensor is so significantly larger that the casre has to be completely redesigned to accommodate the shutter & mirror mechanism, then there's the pentaprism which is also significantly larger. Plus another issue which doesn't seem to get much discussion and that is the flatness & alignment of the FF sensor & the 5D MkII has had more than a few issues with miss aligned sensors. Because thes FF unit is so much larger it suffers dissproportionately from miss alignment in both the vertical & more in the horizontal axis, but it also suffers from warping & rippling, caused by the heating & cooling of the silicon wafers in the manufacturing process. One company has calimed that it can produce sensors which are perfectly aligned (can't remember who though!)
ISO 12800 is not a real Iso, it is a sofware one where the camera uses Iso 6400 increases the S___ter speed and then drags the exposure back by software. High Iso performance is desireable in a digital camera, because dynamic range is the difference between clipping & the noise floor, hence there is a higher dynamic range on a High Iso performing camera.
So no chance of putting it into a 7D body, it's not much larger anyway!
I don't think what I said has to mean EXACT same body.. by body you mean specs, sealing, AF, etc.
So what if they need to make it slightly bigger to accommodate the FF sensor? Remember the price difference between both cameras -on release- is about 1000$. I'm not a sensor engineer but I really believe 1000$ more can pay for the different in sensor size and extra adjustments to body size this might need.
And don't you think everybody who uses a dSLR by now know's that 12800 is not a real ISO, I don't understand what does this has to do with anything. And also, it's not CURRENTLY a real ISO, it will be real soon in future cameras like the 6400 has become compared to older cameras.
About Sensor miss-alignment, I honestly dont know any information about this, but this also has nothing to do with putting a FF sensor in a 7D (like) body, since it's in the manufacturing process of the sensor, not the body!
Anyways, to make what I meant by my original post more obvious:
I just wish the 5DIII to have all the specs of the 7D in addition to a tweaked FF sensor in the same range od 21 mpix, and I'm illing to pay 2600-2700 USD for it on release