Canon Patent Application: Canon Dual Fisheye Mark II

[David - Sydney]

If you can go on the japanese language version of DMM, you will found quite a few of them in the 3D/VR section.

I'll take your word for it on this occasion

 

[David - Sydney]

Great practical information for people thinking of shooting with the RF5.2mm...
https://www.diyphotography.net/how-...th-the-canon-5rc-and-5-2mm-dual-fisheye-lens/

I didn't know that the R6ii is also compatible although the res takes a big hit.