Panasonic SDR-H20

Manual

https://help.na.panasonic.com/wp-content/uploads/2023/02/SDRH200_SDRH20_SDRH18_LSQT1190_ENG.pdf

https://archive.org/details/Panasonic_SD_HDD_SDR-H20_Camcorder_User_Manual/page/n15/mode/2up

O.I.S = optical image stabilization

The zoom microphone is linked to the zooming operation so that far-away sounds with a tele- shot and close-up sounds with a wide-angle shot are recorded more clearly.