Features:A digital precision optical instrument used to measure the distance between human pupils in the process of an Fill a prescription.1. High Light LED Bulb2. Default Infinity Target3. Binocular or Single PD4. Rechargeable Battery5. Integrated Cam with 4.7 Inch ScreenSpecificationsEffective measurement range: binocular distance: 44 - 82 mm, left and right distance: 22 - 41 mmIndication error: ≤ 0.5 mmTarget distance: 30 cm to ∞Net weight: 0.7 kgPayment &
Features:The PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry for fitting spectacles.1, It employs precise optical structure, the line of light is very clear and precise measurement.The measurement results are displayed digitally,and the left eye and right eye measuring values are displayed separately. 2, Simple and rapid measuring operation, and free operation of the direct PD adjustment lever are possible.Combining with the adjustable viewing distance selecting lever for measuring all kind of the viewing distances,
Features:The device is a scicentific and perfect design, consisting of measurement system, optical system,ESS and computer software system.1. Using mechanical hairspring to level at the reflecting point of human cornea to realize the consecutive measurement. Itfeatures direct point sampling and high accuracy of orientation;2. Adopting high-precision line-shaped sensors, advanced intellectualized electronic system and digital display which allow the testing results more visible,legible and accurate;3. The design of LED light source and low power consumption, long service life of the battery;4.
Features:The device is a scicentific and perfect design, consisting of measurement system, optical system,ESS and computer software system.1. Using mechanical hairspring to level at the reflecting point of human cornea to realize the consecutive measurement. Itfeatures direct point sampling and high accuracy of orientation;2. Adopting high-precision line-shaped sensors, advanced intellectualized electronic system and digital display which allow the testing results more visible,legible and accurate;3. The design of LED light source and low power consumption, long service life of the battery;4.
Features:The device is a scicentific and perfect design, consisting of measurement system, optical system,ESS and computer software system.1. Using mechanical hairspring to level at the reflecting point of human cornea to realize the consecutive measurement. Itfeatures direct point sampling and high accuracy of orientation;2. Adopting high-precision line-shaped sensors, advanced intellectualized electronic system and digital display which allow the testing results more visible,legible and accurate;3. The design of LED light source and low power consumption, long service life of the battery;4.
Features:The device is a scicentific and perfect design, consisting of measurement system, optical system,ESS and computer software system.1. Using mechanical hairspring to level at the reflecting point of human cornea to realize the consecutive measurement. Itfeatures direct point sampling and high accuracy of orientation;2. Adopting high-precision line-shaped sensors, advanced intellectualized electronic system and digital display which allow the testing results more visible,legible and accurate;3. The design of LED light source and low power consumption, long service life of the battery;4.
Optical Metal Rim Prism Trial Lens
Main Technical IndicatorsOptometry Child Universal Trial Lens Frame Optician Test Tool 52-70mmFeatures: 360 degree astigmatism axis position, error within one degree.Lightweight and comfortable, weighing 22.2-22.6 G.Flexible memory plastic, can bend 120 degrees.Integrated soft silicone nose support, more comfortable to wear.Size: 52-70mmPackage Includes: 1xTrial FrameSpecifications1.Pupil distance range: 52; 54; 56; 58; 60; 62; 64; 66; 68; 70mm.2.Axis scale:360° on the left; 360° on the right.The axis scale increases anticlockwise along the axis of the frame, and the marking interval is
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