NEW Professional Adjustable Optical Optic Eye Optometry Test Trial Lenses Frame

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OUR OPTIONS NEW Professional Adjustable Optical Optic Eye Optometry Test Trial Lenses Frame US ITEM DESCRIPTION

Feature:

* Adjustable

* Ultra-light

* 1 Set Instead of a Full Set of Optometry 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: Shipping Weight:4oz(Net Weight:3oz) # Oriangal Package

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