Question: what is the difference between e mount and a mount lenses?
Answer: A-mount lenses can be used on camera models with a mirror or a translucent mirror (ILCA-xx, DSLR-Axx, SLT-Axx). E-mount lenses are the standard lenses used on mirrorless camera models (ILCE-xx, NEX-xx). ... A-mount lenses can be used on an E-mount body by using a Mount Adaptor.