Thank you very much CPO I have had this lens over 20 yrs and I don't believe it's been open wider in that time,I hadn't heard of focus stacking until 2018/19 and small aperture was the way I learned. I can shoot at f32 and f40 on most subjects and get good DOF by focusing halfway into the subject. I do focus stack when working closer than the 18" min. focus distance. Besides opinions are like a##h#### everybody has one, and they all stink but mine!!
Thank you very much CPO br I have had this lens ov... (show quote)