Teeny weeny new Pentax.

[woof woof]

It never struck me before but if those images are to scale... look at the relative size of the sensors

 

[Superewza]

Hmmm.. Could be interesting putting one on the end of the 250-600!

Thing is, wouldn't an adapter have to have a lens in it to focus? Since Q lenses would be closer to the sensor than practically everything else, not further away where you could easily make an adapter.