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【Pupil Height Adjustable】Through the pupil height adjustment knob on the try-on frame, it can be adjusted according to the pupil needs of different examinees;
【Adjustable Interpupillary Distance】The adjustable range of the interpupillary distance of both eyes is 48~80mm, the left and right interpupillary distance is 24~40mm, the maximum scale is 1mm, and the adjustable range of single eye is 24~40mm;
【5 Trial Films】The left and right frames can be inserted with 5 lenses at the same time, 3 in the front and 2 in the back; it improves the convenience of optometry;
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Effective internal aperture of frame:Φ8mm.The number of lenses that can be inserted into the left and right frames:4 (the front is 3 and the rear is 1)
Axis scale:left and right scale:165°~0°~180°~25°.The axis scale increases anticlockwise along the axis of the frame, and the marking interval is 5°
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