1. O

    [Help, please] How to reassemble Vivitar MC Teleconverter 2x3

    There was fungus in an old teleconverter I had so I took it apart to clean it, but forgot to take photos when disassembling it. Now, I can't figure out the right way to put it back together after trying multiple permutations and combinations, even though there are only 4 glass elements and 3...