Originally posted by UncleVanya Try playing around with it and see if you get consistently the same amount of stopping down without respect to light levels - so far that's what I am seeing. Also I was never able to see anything other than f/4 (or slower wide if the lens was slower wide open).
Nope, it's not a constant thing. I just tried it with DA35ltd, DA18-135 and FA50/1.4 on K-3
It does change the aperture during live view depending on scene in front of it. Pointing all lenses to outside the house (A hazy overcast bright day) K-3 closes all lenses to f/11! even DA18-135 zoomed all the way to 135mm which is an f/5.6 lens. and pointing the camera to other areas it changes to f/8, f/4, wide open, ...