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Listing: #2173396
Condition: New
Brand: S4OPTIK
Type: Autorefractor Keratometer
Model: Speedy I
Warranty: 2 year warranty
Large, 6.5-inch LCD screen
Pupil diameter measurement
Wider range motorized chin rest movement
Residual astigmatism indication (K-model)
Test time is screening mode 49 seconds per eye
Employs accommodative micro fluctuation with high pass frequency 1-23 Hz.