JINTU 500mm / 1000mm f/8 Super Manual Telephoto Lens for Sony a7r a7s a7 a6500 a6300 a6000 a5100 a5000 a3000 NEX-7 NEX-6 NEX-5T NEX-5N NEX-5R 3N and Other E-mount Digital Mirrorless Camera
Camera MF Super Telephoto Zoom Lens F/8.3-16 420-800mm T Mount with Universal 1/4 Thread Replacement for Canon Nikon Sony Fujifilm Olympus Cameras | Wish
300mm F8 Super Telephoto Lens for Sony A6500 A6400 A7 A7RII NEX-7 E-Mount Camera 653858269084 | eBay
Check this out: Sony A6500 with the Burress 1900mm f/15 lens – sonyalpharumors
Opteka 500/1000mm Telephoto Preset Lens for Sony NEX-7 NEX-6 a6000 a6300 a6500 | eBay
Opteka 500mm f/6.3 (with 2x- 1000mm) Telephoto Mirror Lens for Digital
Sony Alpha A6500 review | Cameralabs
BIG MIKES ELECTRONIC BM-SLY500SN-K2 High-Power 500mm/1000mm f/8 Manual Telephoto Lens for Sony a7r, a7s, a7, a6500, a6300, a6000, a5100, a5000, a3000, NEX-7, NEX-6,
BIG MIKES ELECTRONIC BM-SLY500SN-K2 High-Power 500mm/1000mm f/8 Manual Telephoto Lens for Sony a7r, a7s, a7, a6500, a6300, a6000, a5100, a5000, a3000, NEX-7, NEX-6,
Tamron announces APS-C 11-20mm F2.8, full-frame 150-500mm F5–6.7 zooms for Sony E-mount: Digital Photography Review