Sony's a7C is among the smallest full-frame mirrorless cameras you can buy, and in terms of core capability, not much has been sacrificed for the sake of compactness. It makes a great travel camera but isn't as refine as the best of its rivals.
Sony Alpha A7C review - Amateur Photographer
Sony Alpha a7C Reviews, Pros and Cons
Sony A7C Review Read This Before You Buy It!
Sony a7C Alpha Mirrorless Digital Camera (a7C Camera Body, Black) B&H
Sony a7C review: Compact size, big sensor image quality: Digital Photography Review
Sony a7C review: Compact size, big sensor image quality: Digital Photography Review
A Traveler's Review: The Sony a7C Camera
Sony a7C Review
A Traveler's Review: The Sony a7C Camera
Sony a7C review: Compact size, big sensor image quality: Digital Photography Review