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Parabolic Mirror for Newtonian Reflection Telescope Primary Mirror D203mm For Sale

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Parabolic Mirror for Newtonian Reflection Telescope Primary Mirror D203mm:

Store CategoriesStore Categoriesfishing toolFishing AccessoriesFishing BoxesBaits & LuresBusiness & IndustrialElectrical & Test EquipmentLab SuppliesElectrics SwitchesToys & HobbiesPit BallsTents, Tunnels & PlayhutsShade ClothSpear Rod & GunFishing RodsFishing NetPolyfilmDiode RectifierCapacitorWooden ChipsSemi-Finished MeshColumnParachutePit BallsOtherParabolic Mirror for Newtonian Reflection Telescope Primary Mirror D203mm Product Description Newtonian reflection astronomical telescope Primary Mirror D203mm Specification Caliber: 203mm Focal length: 800, 1000,1200,1600 (optional) Primary mirror, aluminum plating and protective film The parabolic surface accuracy PV is guaranteed to be better than 1/10 of the wavelength of the light wave, and the spherical aberration is less than 1/15 of the wavelength. The lens blank is made of K9, with a diameter of 203mm, This high-precision parabolic mirror has been recognized by many astronomy enthusiasts, scientific research institutes, and optical manufacturers. With 84% aluminum film and silicon dioxide protective film, the film can be used for 8-10 years under moisture-proof storage. Package including: 1Pc D203 primary mirror Note: The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Payment PolicyShipping PolicyReturns PolicyContact UsPayment Policy 1. We only accept PayPal. 2. Payment needs to be cleared within 5 days. Shipping Policy 1. We ship to your ebay address by default. Please make sure your address is correct before you make payment. 2. Would you please leave a home or mobile phone number for us if available because it will help your package to be delivered on time. 3. We will ship the item by express if you are willing to pay extra express fee, please contact us if you want to send the item by express. Returns Policy In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back. Contact Us All sales are final. The feedback is very important for us, positive feedback and 5 Score DSR is highly appreciated. If any question, please feel free to contact us via "Ask seller a question" ,We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1-2 business days for us to response. Copyright © 2021 Dianxiaomi
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