Abbe (unit)
The Abbe , named after the German physicist Ernst Abbe , was a unit proposed in 1973 for spatial frequency .
- 1 Abbe = 1 Hz / mm
swell
- HG Jerrard & DB McNeill: A Dictionary of Scientific Units. Including dimensionless numbers and scales , Chapman and Hall, London / New York, 1986, p. 9.
- François Cardarelli: Scientific Unit Conversion. A Practical Guide to Metrication , Springer Verlag, London 1997, p. 93.