Ophthalmic View Vision Tester Black Optical Manual Refractor Optometry VT-50

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Excellent engineering design outstanding performance<br>Standard accessories:<br>(1) pair of auxiliary cylinder lens -2.00D.<br>(1) pair of auxiliary cylinder lens -0.12D.<br>(1) pair of fixing screws<br>(1) piece of new point card<br>(1) piece of near point rod.<br>(1) piece of card holder<br>(1) piece of dust cover<br>1. Sphere power Range:<br>+16.75D to-19.00D, with minimum reading 0.25D or 0.12D<br>(when+0.12D auxillary lens or optional ±0. 12D lens in use)<br>+26.75D to-29.00D<br>(when optional ±10.00D lens is in use)<br>2. Cylinder power range:<br>0 to-6.00D, with minimum reading 0.25D or 0.12D<br>(when auxiliary lens is in use)<br>0 to-8.00D<br>(when-2.00D auxiliary lens is in use)<br>3. Astigmatic axis scale:<br>0 to 180° in 5°steps<br>4. Cross cylinder:<br>±0. 25D, reversal type (synchronized with astigmatic axis) ±0.50D optional<br>5. Rotary prism:<br>0 to20ΔD in1ΔD step<br>6. PD adjustment:<br>48mm to 80mm in 1mm step(right and left synchronized)<br>7. Forehead rest adjustment:<br>16mm backward and forward<br>8. Convergence:<br>The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the comeas<br>(2mm each for right and left inward) Interpupillary distance enabling convergence=57mm to 80m<br>9. Corneal distance device:<br>2mm forward and 5mm backward from standard plane: with scale<br>10. Effective field of view:<br>19mm<br>Shipping:<br>1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.<br>2.The item will be shipped from our US warehouse<br>.<br>And<br>will be shipped within 1-3 business day when we received payment.<br>3.Delivery time depends on destination and other factors;<br>4.International buyers please note:<br>a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.<br>b. Please<br>check with your country's customs office to determine what these additional costs will be prior to buying.<br>Return:<br>Returns are accepted within 30 days after buyer receives the item.<br>Buyer is responsible for return shipping costs if it is not our fault. All items are in brand new condition unless specified<br>A<br>refund will be issued within 2 business days after we receive the returned item<br>Tips:<br>1.The delivery may be delayed due to customs clearance, carriers delay and/or other problems.<br>All our customers are very important to us, if you encounter delivery or "quality" problems, please don't open a case but contact us in time by ebay messages first,    we  will try our best to work it out with you.<br>2.<br>For buyer outside US, please note customs charges, if any, are not included in the item price or shipping charges.<br>Buyers will be responsible for customs clearance and potential tariff. The amount of tariff is composed of two parts.<br>Part one is approximately 1% to 5% of the total price (item price + shipping price).<br>Part two is VAT, which in most cases can be deducted in your business tax.<br>Feel free to contact us for any questions.<br>3.<br>We maintain high standards of excellence and strive for hundred percent customer satisfaction.<br>Feedback is very important to us.<br>We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns.<br>It is impossible to address issues if we do not know about them!<br>Your satisfaction is our ultimate goal.<br>We work hard to earn your trust and future business.<br>About Lunar Health<br>Lunar Health is a leading developer and provider of high-tech medical equipment for the ophthalmic community while focusing on the field ophthalmology, optometry, and optics. We design, manufacture, and market reliable innovative ophthalmic instruments to meet and exceed the needs of our customers.<br>Our mission and goal are to not only provide you with best high-end profe