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TF-4880A   blue Trial Frame
TF-4880A blue Trial Frame
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1. Video chat to check our factory and products;
2. Free online technical support and training;
3. Free online installation support;
4. 1-3 Years quality warranty;
5. Lifetime after sales support.
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Product Description


Features

1) pupil distance adjustment range: binocular pupil distance 48 ~80mm, left or right pupil distance 24 ~40 mm; Minimum scale value 1mm
2) the axial scale of the dividing disk is 130 °~ 0 °~ 120 °on the left and 50 °~ 180 °~ 60 °on the right. The axis scale increases counterclockwise along the axis of the mirror frame. The effective internal aperture of the frame is 5 °
3) Effective internal aperture of mirror frame: 33.5mm
4) Number of lenses inserted when left or right frames are used: 5pieces (front 3 rear 2)
5) the lens rotates around the optical axis in the inner circle of the lens frame is 360 °
6) the lens optics The unparallelism between the axis 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) the displacement of the lens relative to the geometric center of the frame: ≤ 0.3 mm
9) nose Range of adjustment: adjustable length: 0 ≤ 22 mm; Angle: 360 °
10) adjustable length range of left or right foot: 0~20mm
11) weight: 52g


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1. In CIF or CIP term, it is the seller's obligation to arrange the insurance service and afford the insurance fee. In other terms, it depends on the buyer as whether to buy the insurance service or not, but we kindly suggest the buyer to buy the insurance service in order to reduce loss in case that any risk happens.
2. Above information is just for your reference, for detailed legal terms, please check the original "Incoterms 2010".