HD tinyhawk freestyle - stripped down the caddx vista and 3D printed a little mount for the camera and antenna. Sub 100grams with a 650 2s and about 4 mins flight time.
Amazon.com: EMAX Tinyhawk 3 RTF Kit 1s FRSKY FPV Drone for Beginners with Controller and 5.6G Goggles Quadcopter Ready to Fly Kit : Toys & Games