Letus Corporation LTB4L 273" Pro Relay V2

The Letus 2/3" Pro Relay Lens Module is for B4 mount cameras. This relay lens will allow you to attach a Letus35 Extreme, Elite, or Ultimate adapter directly to the camera body bypassing the stock lens entirely. Academy frame size Razor sharp center and edges Iris ring with lock down When coupled with the Letus35 Ultimate, it is the best 35mm DoF adapter solution, period. https://www.letus35.com/copy-of-letus-2-3-pro-relay-v2-long/