It does exist: Leica Summarit-M f/2.5 lenses price reduction



After the introduction of the new line of Summarit-M f/2.4 lenses at Photokina (see press release and images), Leica Camera is now reducing the price of the older Summarit-M f/2.5 models:

This is probably the last time you will see a Leica M lens price reduction in your lifetime.

Via Reddotforum