I managed to coax 'the grumpy one' into a good mood, long enough at least to fire off a few frames using my off-camera flashes set up in the garden .....
The details of the set-up can be seen in this thread here ....
https://www.pentaxforums.com/forums/125-flashes-lighting-studio/322038-garden...eless-hss.html ... although for these shots here the light levels were lower, so no HSS was needed.
Ambient light was underexposed by around 1 stop, and the main light was the Cactus RF60 in a softbox to the subjects right, and there was a Pentax AF-540FGZ with a Gary Fong Powersnoot behind to the left, giving some back rim effect. The main flash head had a 1/4 CTO gel on to warm up the skin against the daylight white balance setting. The last shot here has a white balance fine tuned towards warmer.
Attachment 314608 Attachment 314609
Thanks for taking a look and for any comments / feedback
.... Nigel