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Yes, it took times for me to start paying attention and I still forget at times. I also need to get in the habit of shooting a little bit wider so I have some room to adjust my crookedness.

I think one leg is shorter than the other ;)

took me a year of shooting and lots of adjustments to figure it out. 😂
and somehow, idk why, it looks even on cam but not on computer! or is that just me? 🙄
-so, i find having the grid option on, in display screen (if you have a touchscreen dslr), and adjusting your manual viewfinder frame to match, really helps me.

Not just you.
Yeah, the grid helps but for me, fine tuning is often needed. I can keystone in camera but it is too much effort :)

exactly! too much effort - hoping better tech launches so its a one time thing, without having to spend more time and effort adjusting afterward. lol so complex!