>>4475930and just like that we're back together with two makinon 35-105mm f/3.5-4.5 lenses, both of which needed fungus removed from their rear element assembly. Having only worked on primes before, let it be a lesson that zooms require very meticulous disassembly and cleaning and if you don't have a lens diagram, make one (or even if you do, take measurements to avoid confusion)