Summary

If you change the pipe of 500mm to 300mm, handy shooting becomes convenient.
Convenient for youtubers.

[10mm Square pipes]
Length , Number
250.000 , 2 ,
500.000 , 2 ,
total , 4

Details of this technology.

https://twitter.com/imaicom/status/1280557047793111041
https://twitter.com/imaicom/status/1280559207897432069
https://twitter.com/imaicom/status/1280563281191559168

https://denshiman.com/10mm_square_pipe.html