Utf-4880 Optical Trial Lens Frame Fully Pd Adjustable Universal Typetrial Refractive Segments Optometry-50-80

Summary: It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises. Detailed Product Descrtion:

1. Range of PD adjustments:PD of both eyes:50~76mm; Left or right PD:24~40mm,Minimum Calibration Value:1mm. 2. 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. 3. Inner diameter of lens frame:Φ38mm 4. The Number of lens which can be inserted into left or right lens frame simultaneously:4 pieces 5. Degree of lens rotating around optical axis in the lens frame:360° 6. Non-parallelism degree between lens' optical axis and lens frame's geometric axis:≤2.5° 7. Non-concentricity between lens' optical center and lens frame geometric center:≤0.5mm 8. Displacement of lens in relation to position of lens frame geometric center:≤0.3mm 9. Range of nose pad adjustment:Length:0~14mm,Angle:0°~30° 10. Range of left or right lens frame leg's length adjustment:98mm~135mm 11. Maximum interval between left and right lens frame legs:200mm

Parameter: Weight：72g Volume：27(L)x18.5(w)x5(H)cm

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.