Zeiss 21mm ZM Biogon

I got home and flopped onto the couch, regarding my newest folly with apprehension and growing regret. A flipping 21mm lens sat in its box in my lap. A lens some would place into the category as a super-wide, purchased by someone who mainly shoots a 50, and much less often a 28. The deal was a bargain, though, I reassured myself.