Thinking about top-notch f/4 lenses nudged me into compiling a list –admittedly biased by my experience, and thoroughly incomplete – of exemplary, and mostly pricy, f/4 full frame lenses. Some no longer produced, some current, and some I’d like to see made in Sony FE mount form. Past Leica 280/4 Apo-Telyt-R. This was a special… [Read More]