Posted on 24 June 2025 • Lens repairs Sigma 19mm F2.8 for Sony E mount - aperture repair (video) Author User Photo-parts Posts by this author Posts by this author Sigma 19mm F2.8 E aperture repair (video) byu/Vuvuvtetehe inElectronicsRepair Related posts Sigma 19mm F2.8 for Micro four thirds - typical voice coil repairCanon 50mm f/1.4 - autofocus repair and some refresheningSony FE 50mm F1.4 ZA - focus repair with a touch of hybrid surgery