A read sent us a message about rumors of upcoming Sony full frame mirrorless cameras.
For the upcoming Sony full frame mirrorless cameras, there will be no a7S III, instead it will be merged into a single 24 megapixel a7 III model, to replace both a7II and a7S II, and price will be around $500 more expensive than a7II launch price. And Sony a7R II will be replaced by new high-end flagship full frame mirrorless camera Sony Alpha a9.