The Sony A7C II is a great compact full-frame camera capable of amazing astrophotography. (Image credit: Sony) When it comes to the best mirrorless cameras , there is a huge choice from the world's leading photography brands. Our camera experts here at Space have tried and tested nearly all the best cameras for astrophotography from Canon, Nikon and of course Sony, who are renowned for their advanced mirrorless camera systems. The Sony A1 II is the brand's top-of-the-line mirrorless camera with a professional-level spec and a price to match, but its sibling, the Sony Alpha 7C II, is currently available for just $2,098 at Best Buy. Paul Brett is a deals writer at Space, Live Science, and across the Sports and Knowledge titles at Future. Paul is an award-winning photographer, having won the Mountain Photographer of the Year title at Trail Magazine. A huge fan of photography and cameras, he can be found on top of Scotland's mountains, wild camping, waiting to capture the Northern Lights or a cloud inversion.…