Below you can see the front view size comparison of Pentax K-1 II and Pentax K-1.
Pentax K-1 II vs Pentax K-1 - Front View
Pentax K-1 II vs Pentax K-1 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison