A very sleepy goose

Several people have contacted me privately and asked for information regarding how I actually mounted my 120-year-old Bausch & Lomb + Beck lens on my µ4/3 camera. I hope in this article to shed a little light on how one can make such an old lens and seemingly-incompatible lens actually stay on a modern mirrorless…

I’ve had this old but very chunky Tamron 80-210mm Adaptall 2 telephoto zoom lens since the mid 1980s. Only I noticed that the overall image quality had become rather poor. I wanted to find out why. When I shone a small torch through it, I noticed what appeared to be a haze. Despite several cleans…