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Specifications
 
Effective Focal Length (EFL+/EFL-)
OptiSpheric®
OptiSpheric® L
OptiSpheric® Autofocus
OptiSpheric® L Autofocus
Standard measuring range: +5...250 mm -5...-250 mm +5...+500 mm -5...-500 mm +5...250 mm -5...-250 mm +5...+500 mm -5...-500 mm
Extension of measuring range: 1...5mm 1...5mm 1...5mm on request up to 1000mm
Lens Diameter: 1-35(75) mm 1-35(75/150) mm 1-35(75) mm 1-35(75/150) mm
Repeatability:
0.03...0.2%
Measurement Accuracy:
0.03%...0.3%

 
MTF-Measurement on-axis
OptiSpheric®
OptiSpheric® L
OptiSpheric® Autofocus
OptiSpheric® L Autofocus
Measurement Range: absolute MTF-Test: 5...75 mm EFL relative MTF-Test : 5-250 mm EFL absolute MTF-Test: 5...75 mm EFL relative MTF-Test : 5-500 mm EFL absolute MTF-Test: 5...75 mm EFL relative MTF-Test : 5-250 mm EFL absolute MTF-Test: 5...75 mm EFL relative MTF-Test : 5-500 mm EFL
Test mode : manual focusing, automatic measurement focusing+measurement: automatic, on-axis
Wavelength range:
400-1000nm
Spatial frequency:
0-500 lp/mm-higher frequencies available on request

 
Back Focal Length Flange Focal Length Radius of Curvature
OptiSpheric®
OptiSpheric® L
OptiSpheric® Autofocus
OptiSpheric® L Autofocus
Measurement range: +/-2...+/-250mm +/-2...+/-400mm +/-2...+/-250mm +/-2...+/-350mm
Repeatability:
0.02 to 0.2%
Accuracy:
0.05 to 0.3%

 
Centering Errors in Transmission and Reflection
OptiSpheric®
OptiSpheric® L
OptiSpheric® Autofocus
OptiSpheric® L Autofocus
Measurement Range (Extension up to +/-2000mm on request) +/-2...+/-250mm +/-2...+/-400mm +/-2...+/-250mm +/-2...+/-350mm
Repeatability:
+/-0.1µm or +/-1 arcsec
Accuracy:
+/-0.2µm or +/-2 arcsec
Measurement Time:
3-15 sec

 
Angle Measurement
OptiSpheric®
OptiSpheric® L
OptiSpheric® Autofocus
OptiSpheric® L Autofocus
Resolution:
0.01 arcsec
Repeatability:
0.2 arcsec
Accuracy:
1 arcsec

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