Originally Posted by Marc Sabatella 
Which is *exactly* how they should have come out when you used a spot meter on a white object as you did. This was user error, plain and simple. You basically *told* the camera to underexpose, and then complained when it did. The camera would have to have been defective to *not* produce a dark picture with those settings.
wait, you mean user error could be responsible for dark pictures?
Next thing you'll tell me that user error could be responsible for "horrible AF."
Crazy talk! It's all Pentax's fault!!!