Panasonic Leica 9mm f1.7 Review: Tiny, Fast, and Fun

The crop factor on Micro Four Thirds comes in handy with telephoto lenses -- but the opposite is true when it comes to capturing ultra-wide views. Finding an ultra-wide, bright aperture MFT lens that isn't aspherical is a challenge. The Panasonic Leica 9mm f1.7 ASPH DG Summilux is one such lens. Equivalent to an 18mm lens, the lens captures an ultra-wide view without encroaching on fisheye territory. What's even more impressive is that the Panasonic Leica 9mm does it all in a tiny body and for u...