Well, I typically shoot in 4:3 or 3:2, Native formats for my 2 cameras....
But, I do use 1:1 on occasion...with my Digital..
I try to utilize the whole area, or a tad more, with very small cropping in editing...
But, I'll crop for more powerful image if needed.
I had a "fast Candid" the other day, and I quickly framed and snapped... but, I was bit too far to the left... so I cropped it 1:1. The main subject was on on the left, and I had too much space behind her..The 1:1 Crop still had the image I envisioned though...
The original had a few more people on the right, but, one guy was cut off a little too much, so I cropped that out.
Monument Circle, Indianapolis, IN. 8-15-2013 par
Peter Arbib, on ipernity
I also had to make a film print 8x12, because 11x14 did not work.. (I am building a wall of 11x14 B&W Street Photography prints) So an 8x12 will fit in an 11x14 frame to keep the consistency of the 11x14 framed wall