Following this question I just got a Tamron SP 90mm f/2.8 Di Macro lens to study macro focus stacking. As seen in my attempt to reproduce a 6" depth it seems to work in practice. However then I went ...
I have a 2 year old 100mm CANON IS USM f2.8. Suddenly image stabilisation is jumping vertically to the full range and periodically it is impossible to shoot an exposure. The only way to get rid of ...