Canon R100 has a
24.0MP APS-C (22.3 x 14.9 mm ) sized CMOS sensor and features Digic 8 processor. On the other hand, Canon 70D has a
20.0MP APS-C (22.5 x 15 mm ) sized CMOS sensor and features Digic 5+ processor.
Below you can see the R100 and 70D sensor size comparison.
Sensor Size and Resolution Comparison image of Canon R100 and Canon 70D Cameras
Canon R100 and Canon 70D have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the 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
Canon R100
or the
Canon 70D ,
including hyperfocal distance.
