We had already reported in June about 
a rumor predicting a new L-mount camera from Blackmagic Design by the end of this year.
Now another source has contacted us at i-Rumors, who wants to know even more more info about upcoming Blackmagic cameras. Here are the details summarized:
Due to the L-mount, the upcoming pocket camera models may be much smaller than the current versions. The large touchscreen on the back is expected to remain as a trademark, but a new design is expected to be thinner and more boxy at the same time.
Thinner and boxy at the same time? Rumors about the Blackmagic Pocket 6K.
There are supposed to be a lot of mounting threads on the housing, which make an additional cage for mounted accessories superfluous. Basically, the camera's design is supposed to be closer to the RED models and Sony's FX3/FX30.
The sensor is said to be a Super35 6K sensor from CMOSIS, but full-frame cameras are also said to be planned. According to the source, both Blackmagic and Panasonic are said to have seen a sharp drop in sales since the launch of the FX3 and FX30 - neither manufacturer wants to give up its share of the prosumer cine market.
This upcoming Pocket 6K is said to be smaller than the current G2 model - but still larger than the FX3. In terms of looks, it's supposed to resemble a Sony body, but be all black. There is still not supposed to be a moving sensor, but the camera is supposed to enter imagination with an improved version of gyro stabilization.
6K recording is said to be possible at up to 75 fps and 4K recording at up to 140 fps. The last features mentioned are an OLED screen and support for CFExpress Type B.
Checking this information, it is noticeable that CMOSIS no longer exists as a company, but that this sensor production has been merged with AMS/OSRAM in the meantime. Nevertheless, the usual suspect sensor models can still be found there, which is why the whole thing is not necessarily nonsense.
The former CMOSIS sensors are mainly characterized by their global shutter capabilities and were also used as 4K/S35 versions in some Blackmagic models. They are also still available in the AMS/OSRAM program, but no 6K-S35 model can be found there.
In our estimation, however, a new Blackmagic camera would have to bring either a much more potent global shutter sensor (than the CMV12000 that has been available for years) or a sensor with significantly more than 14 f-stops of dynamic range in order to set desirable accents in the market compared to Sony's current CMOS sensors.
It remains to be seen how the company's own sensor development will fare - after all, Blackmagic has delivered very innovative sensor designs in the URSA 4K and 12K models in the past. We would therefore rather assume that the source - if there is any truth to the information at all - confuses CMOSIS with Fairchild/OnSemi and Blackmagic will compete with its own 6K sensor design for the new Pocket 6K. However, THAT is really pure speculation on our part.
;)