AstrHori RockStar lenses are quite interesting lenses that up until now have been largely available on eBay. Most of their lenses are now available for E-mount on Amazon which should help to make the brand grow since they have a very interesting lineup.
AstrHori 50mm F1.4 Manual Tilt Coming Soon
AstrHori 27mm F2.8 II Coming Soon
AstrHori 14mm F4.5 Ultra Wide Angle
AstrHori 10mm F8 II Ultra Wide Angle Fisheye
via FujiAddict