Canon EF-S 55-250mm f/4-5.6 STM IS - LEGGERE DESCRIZIONE
FAULTY Canon EF-S 55-250mm f/4-5.6 IS STM - untested. It looks like the aperture blades are broken. The focus ring and zoom turn smoothly as they should. I have removed the PCB board so the lensdoes not have a PCB board.