Originally posted by Minimonster Comparisons would be interesting to see to get an idea of how the lens performs on a cropped and full frame.
This one I already know. There's nothing that FF wouldn't do better. Excluding reach above 300mm of course. In theory wide open corner sharpness is weaker, but in real life it doesn't bother. End files are more gracefull with K1ii. The IQ has upgraded in a way I didn't even knew I missed it. I could produce sharp images with K5, but K1ii adds finesse and elegance to the shots. There's no turning back
For example, if I look these two shots. The difference isn't something you can easily point, but K1ii shot is much more alive to me: