This Tiny1 camera from TinyMos is designed for astrophotography
Tinymos are working on a new small Tiny1 camera that is specifically designed for astrophotography. There is not much information available on their website right now:
"The Tiny1 is a small and powerful camera that delivers excellent image quality in low-light situations.
The Tiny1 is currently in development and will be available for crowdfunding at the end of the year."
but there are several sample photos taken with a prototype:
Via Ubergizmo