[Clamchop]

Took me a while to figure out what you were talking about. So, the article mentions an older product by the same people that used your "periscope" arrangement, but THIS product is a m4/3 sensor hanging off the end of a ribbon.

[redundantly]

I provided the wrong link before. Here is the one I meant to share:

https://imback.eu/home/new-model/

But, yeah, I missed that it's a new version of the Back35.

Side note, their website is terrible.