1.Pupil distance adjustment range: binocular pupil distance range:54-70mm; the minimum scale value:1mm. 2.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°. 3.Effective internal aperture of frame:Φ8mm. 4.The number of lenses that can be inserted into the left and right frames:4 (the front is 3 and the rear is 1). 5.Rotation degree of optical axis of lens in inner ring of frame:360 °. 6.The nonparallelism between the optical axis of the lens and the geometric axis of the frame: ≤2.5 °. 7.The difference between the optical center and the geometric center of the lens:≤5mm. 8.Displacement of the lens relative to the geometric center of the frame:≤0.3mm. 9.Adjustment range of nose pad:the length can be increased by 2mm; width:2mm; angle:0°~ 180°. 10.Adjustable length range of the left and right frame leg:140~170mm.
Want to check the status of your order? You can put in your order number and click track order to find the tracking information or login your account to check the detail information.
{{reply_items.text}}By {{reply_items.author}}