Adjustable Professional Optical Eye Optometry Test Trial Lenses Frame Universal

Description

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Adjustable Professional Optical Eye Optometry Test Trial Lenses Frame Universal
ITEM DESCRIPTION
Adjustable Professional Optical Eye Optometry Test Trial Lenses Frame Universal
– Feature:
* Adjustable
* Ultra-light
* 1 Set Instead of a Full Set of Optometry Equipment
– Main Technical Indexes
* Range of PD adjustments: PD of both eyes: 48~80mm; Left or right PD: 24～40mm; Minimum Calibration Value: 1mm.
* Axial calibration on each disc: Left disc: 120°~0°~135°, Right disc: 45°~180°~60°, Axial calibration increases counter clockwise along the lens frame axis, and the calibration distance is 5.
* Inner diameter of lens frame: Φ32.5mm.
* The Number of lens which can be inserted into left or right lens frame simultaneously: 4 pieces.
* Degree of lens rotating around optical axis in the lens frame: 360°.
* Non-parallelism degree between lens optical axis and lens frames geometric axis: ≤2.5°.
* Non-concentricity between lens optical center and lens frame geometric center: ≤0.5mm.
* Displacement of lens in relation to position of lens frame geometric center: ≤0.3mm.
* Range of nose pad adjustment: Length: 0~14mm; Angle: 0°~30°.
* Range of left or right lens frame leg’s length adjustment: 98mm～135mm.
* Maximum interval between left and right lens frame legs: 200mm.
* Weight: 72g
10-XA.LL.880     Shipping Weight:4oz(Net Weight:3oz)- 4 Padded FR Envelope
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