Sorry I cannot directly address your inquiry. Many years ago, during my brief involvement with 110 format, I owned several upscale 110 cameras, of which my Minox IIIS was the very best. If you can sort one good camera out of your three, and find decent 110 film, you are going to be pleasantly surprised. Overall, the IIIS seemed pretty well made, although the plastic body was offputing. Based on general principles, I'm sure you will find the rangefinder adjustable, if for no other reason that it got out of adjustment. At some point long ago, I concluded that quality 110 film was going away, with the possibility that 110 format would be orphaned, so I cleaned out all of mt 110 format equipment. Instead of padding, I cushioned my last camera sold by lining the package with several dozen of my remaining 110 film cartridges. Good luck with the IIIS(s).