Upgrading my Equipment

Hello fellow astrophotographers

I‘m a year into the AP-Business already and think about upgrading my current EQ:

SWSA GTi Sony a6000 (Mainly) Samyang 135mm F2

I‘m not really satisfied anymore with my Sony a6000, the Samyang however is great. I think about upgrading my camera to a dedicated astro cam (ZWO 533MC Pro) and maybe also get the ASIAir+.

What would you recommend? Is that a solid plan or do you have other ideas that i need to consider? I know that i‘m limited to ZWO Options with the ASIAir but i think for my case thats the easiest an fastest option.

Is it possible to use the Samyang 135mm with the ZWO Astrocam? Which adapter do i need?

Thanks for your help!