Optical Instrument Trial Adjustable Frame optical Super Light 50g Titanium New

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Optical Instrument Trial Adjustable Frame optical Super Light 50g Titanium Accessories
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Product Description
Performance indexes:
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: 53g
SHIPPING
Worldwide Shipping.
The orders processed timely after payment verification.
We only ship to confirmed order address, your order address Must Match your recipient address.
Service Transit Time is provided by the carrier and excludes weekends and holiday season.
If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
PAYMENTS
Contact us if you need to file an extension for any late payment.
All the items will be dispatched within 10 business days after the payment is clear.
The arrival time depends on different shipping ways and different areas.
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