A PENTAX K-1 II (with HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR) shooting report/review published on photo.yodobashi.com.
It’s in Japanese and auto translation doesn’t work well. (Here you can check with Google Translate.)
PENTAX K-1 II + HD PENTAX-D FA 28-105mm F3.5-5.6 ED DC WR Samples
PENTAX K-1 II ISO Samples (3200 – 819200)