Hi,
here is the profile of Tu-2R from Massimo's Mig3 page:
This Tu-2R was rebuilt in 1943 from an early Tu-2VS, adding large cameras in the bomb bay. It was tested and later flown in combat by 2nd DRAP.
It seems to show a 1942 black-green 'reversed' painting scheme, but its stars are already of the type introduced in late 1943. Strangely, the contrast on the nose sides looks much lower than on the tail.
Here is scheme of the camera installation:
Hovewer, here we can see opening on the bomb bay right door:
Here on the bomb bay left door no small door are visible, although according to the camera on the ground it should be Recon version:
regards,
66misos