You may get a better response rate to your question, if you ask this same question in the main Anamorphic section instead of this “Diopter Thread”.
As for single focus solutions there are a few these days to choose from. Of course just make sure they are the proper size for your anamorphic front.
Here is one version to check into as a possible option to explore:
Rapido Front Variable Diopter 16A (FVD-16A) , $550
http://www.rapidotechnology.com/products-services/front-variable-diopter-fvd
More Info
https://www.youtube.com/watch?v=EIY_RCKq_Rs
Anamorphic Comparison w/ the Rapido FVD-16A vs Rectilux Hardcore DNA | with Kowa 16D & 16H Anamorphics
https://vimeo.com/277831080
As for the main “taking” lens to use that attaches to the camera, you can use the search option in the forum to find various discussions on that which would probably cover your needs. Here is also a link you may find helpful, as your particular anamorphic the Isco Ultra Star Plus which is mentioned there as well.
https://www.eoshd.com/comments/topic/20783-building-an-anamorphic-lens-kit/
Elnur86 reacted to Nrubloc in The Diopter Thread.