The following research is a 16mm camera like a joke.
This camera is a serious camera for the police, and not a toy.
It is a pistol camera DORYU 2-16 famous as rare and valuable camera.
The DORYU 2-16 has the same C mount as the 16mm movie camera.
A Cine-Nikkor 25mm F1.4 lens was able to be mounted in the DORYU 2-16 pistol camera.
You can find the small lens for GOLDECK 16 on the table.
A sniper who has the pistol is Ryu Koakimoto-san.