Certainly kaiju pictures never trafficked in realism, but the Godzilla films, especially Honda's, were photographed to emphasize scale, with a lot of wide shots and over-cranking. Poor choice of terms perhaps, but they feel somehow grounded. On the other hand the Gamera series uses a far more expressive arsenal of shots, getting right up close to the monsters, using bright colored lights and lots of detail, lending the sets and miniatures a real tactile quality.
This entry features a particularly indelible villain in Gyaos, some sort of vampiric supersonic bird/wolf/thing with laser breath. His battles with Gamera are downright brutal by kaiju standards, with blue and purple blood flowing freely as the two beasts literally chomp on each other, even tearing off the occasional chunk.