
Filming parameters are entered with the two thumbwheels and pushbutton.The two high-intensity LEDs provide feedback and running status

The coupler gets screwed into the single-frame release slide of the Bolex. It can be left on the camera. You can still wind the camera and shoot full-speed with it attached.

Here's the TIV on location in Queens Plaza, New York.
Krasnogorsk-3 with TIV mounted.

Scoopic with TIV mounted.
Beaulieu with TIV mounted.
Kinoflex 8mm with TIV mounted.