>>3120559>He picked the very biggest 25mm lens he couldNo, he picked the one that was closest to an equivalent depth of field.
>the smallest sony 50mm he couldThat is actually the second largest 50mm for e-mount. Only the f 1.4 ZA is larger, and there is nothing close to that depth of field in m43. He could have used the much smaller SEL50F18F for example.