Rodenstock ImpressionIST 4+ - Page 3

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© Rodenstock GmbH
Status: September 2023
4.4 Evaluation ............................................................................................................................................ 21
4.4.1 Procedure .................................................................................................................................... 21
4.4.2 1st & 2nd Pupil ............................................................................................................................ 22
4.4.3 1st & 2nd Frame edge ................................................................................................................. 24
4.4.4 Frame horizontal ......................................................................................................................... 26
4.4.5 Box dimensions ........................................................................................................................... 27
4.4.6 Lens shape .................................................................................................................................. 27
4.4.7 Results ........................................................................................................................................ 28
4.5 Help module ......................................................................................................................................... 31
5 Maintenance and Troubleshooting ............................................................................................................... 33
5.1 Cleaning ............................................................................................................................................... 33
5.2 FAQ ...................................................................................................................................................... 33
6 Appendix ...................................................................................................................................................... 35
6.1 Starting a measurement via CNXT® .................................................................................................... 35
6.2 Measurement accuracy ........................................................................................................................ 38
6.3 Repeatability (standard deviation with repositioning of the customer) ................................................. 38
6.4 Measurement procedure ...................................................................................................................... 38
6.4.1 Measuring principle ..................................................................................................................... 38
6.4.2 Selection of measuring points ..................................................................................................... 40
6.4.3 Calculation of individual parameters............................................................................................ 40
6.4.4 Centering data ............................................................................................................................. 42
6.5 Explanation of fitting parameters .......................................................................................................... 42
6.6 Advises for special frame types ........................................................................................................... 44
6.7 General information.............................................................................................................................. 45
6.8 Technical data ...................................................................................................................................... 45