What are the main differences between e mount and a mount camera systems, and which one would be more suitable for my photography needs?

The main differences between e mount and a mount camera systems are the lens compatibility and size. E mount cameras are smaller and lighter, while a mount cameras are larger and heavier. E mount cameras are more suitable for travel and everyday use, while a mount cameras are better for professional Photography with larger lenses. To determine which one is more suitable for your photography needs, consider your shooting style, preferred lens options, and portability requirements.