In 1979 I purchased a Hasselblad camera system, a 500CM, 500ELM & SWC, 50mm Zeiss CT*, 80mm Zeiss CT*, 150mm Zeiss CT* lens, 6 A12 film backs and 4 A24 film backs. A Minolta handheld light meter that I still have.
Going from a Nikon to a Hasselblad changed how I see the world.
I see Square!