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203mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror For Sale

203mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror

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203mm Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror:

Newtonian reflection astronomical telescope Primary Mirror Dia.203


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.

Return or Exchange

  1. If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back.
  2. Please contact me before you return it.
  3. If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
  4. If item is defective after 3 months, you can still send it back to us.
  5. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.

  1. We are not responsible for any custom duty or import tax.
  2. We will leave POSITIVE FEEDBACK after receiving the payment.Please contact us if you are not satisfied with the item after receive it.
  3. All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.
  4. Serious Buyer Only! Please place bid only if you agree with all the terms.
  5. If you have any problems or concerns whatever with your order or products,please message us and give us a chance to assist you before you leave any feedback.
  6. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.

  1. We Ship to Worldwide. Please contact with us if didn't find your country.
  2. Items will be shipped within 1-10 business days on payment received.
  3. Delivery time depends on destination and other factors, it may takes up to 20 business days.

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