Both Ricoh GXR Mount A12 and Ricoh GXR GR Lens A12 28mm have APS-C sized 12.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the GXR Mount A12 and GXR GR Lens A12 28mm F2.5 sensor size comparison.
Sensor Size and Resolution Comparison image of Ricoh GXR Mount A12 and Ricoh GXR GR Lens A12 28mm Cameras
Ricoh GXR Mount A12 and Ricoh GXR GR Lens A12 28mm have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Ricoh GXR Mount A12
or the
Ricoh GXR GR Lens A12 28mm ,
including hyperfocal distance.
