Samples of focussing range with a few lenses, based on the travel of the normal Rodenstock or Schneider helical focussing mounts, when adding the WRS-1017 macro-interface:

•  50 mm focussing between 0.20 -- 0.16 mtr
•  60 mm focussing between 0.27 -- 0.22 mtr
•  70 mm focussing between 0.36 -- 0.28 mtr
•  72 mm focussing between 0.41 -- 0.32 mtr
•  80 mm focussing between 0.46 -- 0.36 mtr
•  90 mm focussing between 0.57 -- 0.44 mtr
• 100 mm focussing between 0.69 -- 0.53 mtr
• 120 mm focussing between 0.97 -- 0.75 mtr

Note that are individual differences between individual lenses which may result in a slight variation on above numbers.