Lately, I was determined to do something crazy, and so I ended up doing it. I had been eyeing the 250mm lens for GFX for a while, and finally, I decided to buy it. It's a lens from five years ago, not the latest, but it's still an ultra-performing lens, a true pleasure to use. The advantage of buying a lens from a few years back is that it's likely available used, and that was the case for me, turning out to be a great deal…