Graduation Scale Home › Forums › Questions about Imaging? Ask here! › Graduation Scale Tagged: #axis #scalesandvalues This topic contains 1 reply, has 2 voices, and was last updated by SkyFromFoldscope 4 months, 3 weeks ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 9, 2019 at 8:42 pm #161140 Madhan AParticipant what is the exact definition and usage of the graduation scale mark over the foldscope (X,Y and Z axis)? July 19, 2019 at 11:31 am #162850 SkyFromFoldscopeParticipant Each line on the focus ramp indicates a millimeter. I’m not sure if that answers your question. Best, Skylar Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.