Miranda 50mm f/1.9 focus thread clean up.
This repair article covers cleaning the focus helicoid of a Miranda 50mm f/1.9 vintage lens.
Miranda
Miranda 50mm PAD lens strip down
This repair article covers the stripdown and repair of a vintage Miranda 50mm PAD lens.
Strip down and clean an Auto Miranda 50mm f/1.9 lens aperture
Strip down and cleaning instructions for an Auto Miranda 50mm f/1.9 lens which had iris blades contaminated with oil.