![When the tape drove the Bolex](https://www.filmkorn.org/wp-content/uploads/2024/02/427790448_7321720921244421_1608002597278218527_n-1.jpg)
Filmmaker and Bolex collector Richard Clement recently showed a rare piece of film technology: the SYNCHROFLEX is a tape recorder that not only works with perforated 16mm tapes, but also drives a Bolex H16 via its 8:1 shaft.
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/427790448_7321720921244421_1608002597278218527_n-1.jpg?resize=696%2C522&ssl=1)
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/427886767_7321721027911077_7515561479159925470_n.jpg?resize=696%2C522&ssl=1)
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Thanks to the connection with a rigid shaft, synchronization was guaranteed. There was also a version for the Filmo 70. I wonder what the entire system weighed on the scales (or shoulders)… However, the 18V battery was probably housed externally.
It was certainly a little impractical that the device made both the frame rate setting and the single frame counter inaccessible. However, the tape drive itself had a small speedometer to display the (hopefully) correct 16 or 24 fps.
Here is a detailed presentation from the magazine “Amateur Cine World” from July 1963:
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/1.jpg?resize=696%2C928&ssl=1)
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/2.jpg?resize=696%2C920&ssl=1)
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/3.jpg?resize=696%2C929&ssl=1)
![](https://i0.wp.com/www.filmkorn.org/wp-content/uploads/2024/02/4.jpg?resize=696%2C942&ssl=1)
or download here as PDF.
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