Ode to the Pentax 645: The Quiet Romantic of Medium Format In the world of medium format photography, some names shout. Hasselblad shouts pretentiousness, I mean, status. Mamiya is more like a dependable workhorse, all business. But then there’s Pentax.  Humble, earnest, quietly brilliant.  And among its creations, the Pentax 645 stands as something truly ...