China Factory Best Price Ophthalmic Equment Optical Universal Trial Frame Adjustable PD 54-70mm Pure Titanium

Main Technical Indicators

1.Pupil distance adjustment range: 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: Φ8 mm.

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 2 mm; width:2mm; angle:0°~ 180°.

10.Adjustable length range of the left and right frame leg:140~170mm.

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.