Instrument Lens Diameter EFL Measuring Range
BFL and Radius
MTF
OptiSpheric
Manual Focusing,
automated measurement
3-35 (75) mm +3…+250 mm
-3…-250 mm
+-3…+-250 mm absolute MTF-Test:
5…75 mm EFL
relative MTF-Test:
5-250 mm EFL
OptiSpheric
Auto Focus 250
Auto Focus,
automated measurement
3-35 (75) mm +3…+250 mm
-3…-250 mm
+-3…+-200 mm absolute MTF-Test:
5…75 mm EFL
relative MTF-Test:
5-250 mm EFL
OptiSpheric
Auto Focus 350
Auto Focus,
automated measurement
3-35 (75/100) mm +3…+350 mm
-3…-350 mm
+-3…+-300 mm absolute MTF-Test:
5…75 mm EFL
relative MTF-Test:
5-350 mm EFL
OptiSpheric
Auto Focus 450
Auto Focus,
automated measurement
5-35 (75/150) mm +5…+450 mm
-5…-450 mm
+-3…+-400 mm absolute MTF-Test:
5…100 mm EFL
relative MTF-Test:
5-450 mm EFL
OptiSpheric
Auto Focus 1000
Auto Focus,
automated measurement
5-35 (75/200) mm +5…+1000 mm
-5…-1000 mm
+-5…+-500 mm absolute MTF-Test:
5…150 mm EFL
relative MTF-Test:
5-1000 mm EFL
OptiSpheric
Auto Focus 1500
Auto Focus,
automated measurement
5-35 (75/200) mm +5…+1200 mm
-5…-1200 mm
+-5…+-750 mm absolute MTF-Test:
5…500 mm EFL
relative MTF-Test:
5-1200 mm EFL
System Performance EFL
Resolution: 0.03...0.2%
Measurement Accuracy* 5...25 mm: 0.1%.....0.3%
25 500 mm: 0.03%...0.1%
500...1000 mm: 0.05%...0.3%
Measurement Time Manual focusing: 3-20 sec.
Measurement time: mouse click

AutoFocus: First measurement: 5-8 sec.
Next measurements: 3-5 sec.
  MTF
Test mode OnAxisMTF

manual on automatic Autofocus depending on the model
Wavelength range 400-1000nm
Spatial frequency: 0-500 lp/mm-higher frequencies available on request
MTF-Measurement / Slit
Evaluation
• Repeatability*
• Accuracy*


1 %
2 %
  BFL, FFL and Radius of curvature
Repeatability: 0.02 to 0.2%
Accuracy*: 0.03 to 0.3%
  Centration Errors (as an option)
Repeatability: ± 0.1µm or ± 1 arcsec
Accuracy*: ± 0.2µm or ± 2 arcsec
Measurement Time: 3-15 sec
Measurement range: ± 1…± 2000mm
  Angle Measurement (as an option)
Resolution: 0.01 arcsec
Repeatability*: 0.2 arcsec
Accuracy*: 1 arcsec

* for OptiSpheric® without autofocus: the achieved accuracy and repeatability depends as well on the operator