Lens Canon HJ14ex4.3B has output that can provide information from internal rotary encoder.
- Cable connected to first lens output provides rotary decoder info of Zoom/Focus/Iris
- This data sent to opto-isolator board that bridged with CY7C68013A based logic analizer board
- Logic analizer connected by USB cable mini-pc
- Software that perform decoding of raw data received from lens installed on mini pc. After decoding, it compose Free-D packets sent to reciever (render station or lens calibrarting server)
for final device standart case was used: