Below you can see the front view size comparison of Sony A7 III and Pentax K-1 II. Sony A7 III is clearly the smaller of the two cameras. Its body is 10mm narrower, 14mm shorter and 12mm thinner than Pentax K-1 II.
Sony A7 III vs Pentax K-1 II - Front View
Sony A7 III vs Pentax K-1 II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
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