Actually, you'll have to wait around 0.5 years or less for a similar Canon RF body:
When you purchase through links on our site, we may earn an affiliate commission. Here's how it works. The Canon EOS RP is currently the cheapest entry point for the EOS R system. It can currently be had for $999 USD. I have been told that Canon will introduce a new entry-level full-frame EOS R...
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Although probably coming in a less cramped Form factor, that body should be also small. After all, the RP is already light and compact, and it has a viewfinder.