Seek and measure lens cener thickness only an exact point you 

Non-contacting 

Lens Center Thickness Gauge

  CTgauge S   /   CTgauge R

Now fast and  non-contact lens center thickness measurement is available along with H(Sagmeasurement.  Also  go no-go decision function and measurement certificate output are included.




Examples of Measurement and Comparison of Data


① Double-concave Lens

Double-concave Lens Φ40mm

▼ Measured Data by Stylus

▼ Non-contact measurement (CT gauge)

【 CT Measuring Condition 】

Measurement range : 3 mm square scanning 

Scanning pitch : 0.3 mm 

Number of measuring points : 121

Measurement time : 15 seconds

 

② Meniscus Lens

Meniscus Lens Φ57mm

▼ Measured Data by Stylus

▼ Non-contact measurement (CT gauge)

【 CT Measuring Condition 】

• Measurement range : 4 mm square scanning 

• Scanning pitch : 0.4 mm 

• Number of measuring points : 121

• Measurement time : 17 seconds

 


③ Sag Measurement

Meniscus lens Φ27.8mm

▼ Measured Data by Stylus

Non-contact measurement (CT gauge)

【 Sag Measuring Condition 】

• Measurement range : 3 mm square scanning 

• Scanning pitch : 0.3 mm 

• Number of measuring points : 121

• Measurement time : 14 seconds

 

④ Continuous Measurement

Double-concave Φ20mm×25

Non-contact measurement (CT gauge)

【 Continuous Measuring Condition 】

Measurement range : 4 mm square scanning 

Scanning pitch : 0.4 mm 

Number of measuring points : 121

Measurement time : 7 minutes 47 seconds   

(when 25 lenses are measured continuously,   19 seconds per lens) 





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