EOS R6 Mark II won't take a photo with Rokinon lenses

[karentesch]

I would greatly appreciate any insight from this group. 💜

I have a Canon  R6II, and the EF to RF adapter.  It works great with all my Canon EF lens.

I also have two Rokinon Lens for night photography - the ROKINON 24MM F/1.4 ED AS UMC WA F/EOS and a RKNON 14 2.8 ED SPR WA LNS W/CHIP F/EOS - both EF mounts

When connected to my R6II and EF adapter, the camera won't take a photo.  I push on the button and nothing happens. I would be thrilled to hear there is a work-around for this! And that these two lens are not obsolete for me now. They are  both manual lens. 

Thank you so much for any help or insight you can give me.

(I tried the Rokinon Help/Support site and they didn't know. I tried the Canon Support site and didn't get anywhere.  I tried B&H where I bought the two Rokinon lens and they didn't know either)

[karentesch]

Gary - Thank you so much for the suggesion.  I looked the Laowa  lens up and it's even on sale! This is my first time posting a query and I am amazed at how helpful and kind you all are! Thank you!

[karentesch]

Thank you, Brian! You were so kind to stick it out with me to figure it out! I would NEVER have found that little entry on the menu that solves the problem! 😅

[karentesch]

Thank you, John, for your help! So kind of you to post the photo! 🙂

[shadowsports]

Greetings,

I have the 14mm f2.8 non AE chip.  Afraid I can't help.  ☹️