Cameras with geared swing movement

[helios]

Yup. I went through a phase where I was obsessed with alignment and accurately zeroed detents. But first you have to be sure you are truly zeroed when in the detents (not the case with most cameras, at least out of the box. And then as you note if the detents are “deep” you can have a hard time setting very small movements. I sometimes have this problem with one of my cameras. Luckily swings and tilts are the exception rather than the norm in the kind of photos I take.

Since rear swing is for perspective control, when I need it I realize that usually it's not a tiny movement. For front tilt/swing though little movements are more common. Chamonix F2 has front tilt detent and somehow I never had issues to fine-tune the movement. It also has rear asymmetric tilt with detent and that works decently too. Though I see your point, indeed detent may not necessarily be perfect if absolutely tinies movement is needed.