360 degree astigmatism axis position, error within one degree.
Lightweight and comfortable, weighing 22.2-22.6 G.
Flexible memory plastic, can bend 120 degrees.
Integrated soft silicone nose support, more comfortable to wear.
The use of aluminum magnesium alloy material, wear-resistant, not easy to deformation, the number does not fade
Specifications
Material: Aluminum Magnesium
Size: 52-70mm/2.04-2.75Inches
Package Includes: 1xTrial Frame
1.Pupil distance range:50; 52; 54; 56; 58; 60; 62; 64; 66; 68; 70mm. Please note the color when placing the order
2.Axis scale:360° on the left; 360° on the right.The axis scale increases anticlockwise along the axis of the frame, and the marking interval is 5°.
3.Effective internal aperture of frame:Φ38mm.
4.The number of lenses that can be inserted into the left and right frames:3.
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:≤0.5mm.
8.Displacement of the lens relative to the geometric center of the frame:≤0.3mm.
9.Adjustable length range of the left and right frame leg:125~155mm.
Processing time
According your order list. we will supply delivery time .
Commonly is 5-7 work days after we confirm payment
Shipping time
By Express : 3-7 days . Door to door service
By Air : 3-7 days . (the goods arrival at your local air ports )
By sea : 30-40 days (the goods arrival at your local sea ports )
PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.
one year
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .
We will send the spare parts by express to you soon.. and we bear express cost .
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