Our new PRONTO Auto-Focus Lens Adapter does the unbelievable – it can auto-focus practically any lens you mount on it! To prove this, we mounted the oldest lens we could find: a Bausch & Lomb large-format film camera lens from 1897. Check out this video to see how it worked! - #PRONTO #ProntoAdapter #vintagelens #retrolens #Fotodiox #FotodioxPro #BauschandLomb #antiquelens #antiquelensonSonyCamera #CameraMod #BauschandLomb #1897 #macrobellows #bellowscamera #SonyA7RII #weirdlenschallange #photography #largeformatcamera #AFadapter #autofocusoldlens #autofocusvintagelens