Astromania T-ring and M42 to... https://www.amazon.com/dp/B01LW8CST3?ref=ppx_pop_mob_ap_share
it’s the most fun , and that is one of the most under rated cameras ever.
If you created your own t-ring for the hasselblad, I bet you'd get great results. I took 6 shots, the entire time shotting them and developing them I was 100% I had junk shots. Lo and behold every single one came out usable...film is very forgiving exposure wise (for the moon anyways...stars are another story).
here's the t-ring adapter i used, for reference: https://www.amazon.com/gp/product/B01LW8CST3/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1