As some others said, K-3ii, KP are the starting point in Pentax bodies that I would suggest. The KP has the better high ISO specs due to the accelerator chip built in. Both offer super accurate color using pixel shift mode. The K-3ii lacks the on board flash but has a GPS integrated with it that permits limited star tracking to enhance night time landscapes. The K3ii also has dual SD card slots. The KP has built in Wifi. As mentioned the KP also has a tilting screen which can be helpful on shots near the ground.
As for lenses, There are a couple of third party 10mm options both prime and zoom. The Pentax 10-17 is a fisheye on the 10mm side. It goes very wide and can be defished or the fishy perspective controlled through careful composition.
The Pentax 12-24 is a fine f4 zoom, but a new weather resistant high quality DA* 11-18 F2.8 is on the roadmap and anticipated by next year. That is going to be a killer combination with a weather sealed APSC body.
The DA* 16-50 F2.8 is a fine weather sealed lens that fills the next range but the DA 16-85 has similar performance though slower aperture and a wider range. The16-50 can suffer lens motor failure but it can be converted to screw drive and often is offered with this at steep cost savings used.
The DA* 50-135 f2.8 like the 16-50 suffers drive motor failure sometimes. The lens can be converted and cheap copies can be found this way. It is a fantastic lens.
So with three lenses DA* 11-18, DA* 16-50, and DA* 50-135, your friend can cover the ff equivalent range of 16-200. Since the 11-18 hadn't shipped and is expected to be very expensive an alternate plan would be to use a 10-20 sigma or 10-24 tamron instead or the 12-24 Pentax. These options will significantly reduce the total cost.
If the friend prefers primes let us know, we can map that out also.
Last edited by UncleVanya; 08-29-2018 at 06:03 AM.