DYTDIEYINGTU VMC-MM2 release cable
Photo / video synchronization by simply pressing the host shutter button
1)When the main camera (B) and the sub camera (A) are connected with this cable, you can shoot pictures
simultaneously on both cameras just by operating the shutter on the main camera(B).
2)Support A+B
camera :a7m2/m3/m4/a7s2/s3,a7r2/r3/r4,a9/a9ii/a1,a6300/a6400/, a6500/a6600
3)In order to synchronize the REC / stop function, the camera should be set to "Shutter Record Moving Images" - On