Canon EW-83 adaptor for MEIKE MK-FC110 LED Macro Ring Flash

I changed from my 80D APS-C Camera to a full format 5D. As a result I needed new lens and ... my Meike FC110 Ring flash didn't work anymore because the lens thread went only up to 72mm but I need 77mm.

I designed an adapter that clicks in like a lens hood. No worries with the tiny threads on the lens and it's fast and easy to apply.

The design is straight forward. I printed it in PLA and found a few tiny screws that I used. The tow parts can be glued together as well.

I figured out tha