The new Leica 21mm M ASPH lens will probably be f/3.4 – Leica Rumors A quick update on the new Leica 21mm M ASPH lens that will be announced next week with the M9-P: the aperture will probably be f/3.4 and not f/3.8 as previously reported. Related posts: Leica is rumored to announce a new … Continue reading The new Leica 21mm M ASPH lens will be f/3.4