Panasonic 42.5mm f1.7 Review: Small, Yet Spectacular

Sometimes, the Micro Four Thirds system feels as if it has forgotten its original purpose -- delivering solid images in a much smaller form factor. But the Panasonic 42.5mm f1.7 is exactly what a Micro Four Thirds lens should be -- tiny in stature, big on image quality. The lens is so tiny; the lens cap is only a few millimeters larger than a half-dollar coin.