Not to mention that * Sony opens their E mount design to third party lens makers like Tamron, Tokina, Cosina, Sigma, etc * Sony makes an adapter to mount lega

Not to mention that * Sony opens their E mount design to third party lens makers like Tamron, Tokina, Cosina, Sigma, etc * Sony makes an adapter to mount legacy A-mount lenses More lenses is a great plus when it comes to selling cameras.