When it comes to photographic tools, for some photographers cameras are what fascinates. For me and for many other photographers it's lenses that are the magical part of photography. A camera can make the task of taking photographs more convenient and more pleasurable by offering features that enhance one aspect or another, but its the lens that most directly affects the "look" of the image created.

One of the legendary lenses of all time is theLeica f/1.0 Noctilux. This lens is designed to work with M series Leicas, and though first introduced in 1976 is still available and in production today.

(The only other f/1.0 lens currently in production is theCanon 50mm f/1.0L USMfor the EOS system. I have no experience with this lens. If someone has one, or has experience having used one, I would welcome a review. 

There have been a few previous lenses of f/1.0 or faster, including the fastest production 35mm camera lens ever made, theCanon 50mm f0.95from 1960. Again, I we...