Vaughn
Subscriber
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Curiously, with other cameras that shoot rectangles I never crop to square. It seems I fall into seeing subject matter according to how the camera I'm carrying sees that same subject matter.
My 4x5 has a non-rotatable back -- to change orientation, you turned the camera on its side....or removed the four bolts that kept the camera on the standards, rotate the camera 90 degrees within the standards, and put the bolts back in. I did the latter in the field a couple times until I dropped a bolt into a creek. Turning the camera over on its side using the head was easier, but I found that if I had the camera set up for horizontals, I tended to see more horizontal compositions, and visa versa.