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  Focus tester  FDH-300




* Electronic collimator of 300 mm.
* Collimator lens scan measurement
* Measures a focal point of a lens
Specifications
Measurement Subject Until about f=30mm lenses
Collimator lens f=300mm
Measuring item Focal point of a lens, Contrast
Indication VB gap,Contrast,Judgment lamp
Chart Ringchart
Switches of sensitivity 10 ranges
Measuring wavelength 583±20nm
Mesuring accuracy Resolution: Movement of collimator lens about 0.08mm VB(f=30mm) about 0.8µm Accuracy: Depends on lens to be checked Temperature:+10ºC-40ºC Humidity :below 80%
Environment for use Temperature 5ºC-45ºC Humidity below 85%
Data Output RS232C,Centronics
Power supply 100V,±10V,50/60HZ
Power consumption 150VA
Dimensions&Weight 23kg
External control RS-232C
Others