Description: DIY Newtonian Reflection Astronomical Telescope Primary Mirror Parabolic Mirror Diameter 160mm Specification Parabolic Mirror Diameter: 160mm Focal Length 1280mm Focal ratio (the ratio of focal length to diameter) F1.2 or more can be done. Lens accuracy: Parabolic Mirror surface accuracy PV is guaranteed to be better than 1/10 light wavelength, and spherical aberration is less than 1/15 wavelength. The mirror blank is made of K9 material and some high boron silicon materials. The thickness of the lens is 1/8-1/10 of the diameter. The aluminum coating is added with a silica protective film, and the coating can be used for 8-10 years under moisture-proof storage. Occasionally, there will be very slight scratches on the surface, which are basically invisible and will not affect use. Delivery details --------------------------------------------------------------------- 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. Policy: --------------------------------------------------------------------- 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. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
Price: 172.9 USD
Location: 南阳
End Time: 2024-08-23T03:17:40.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: Unbranded
Type: Mirror
MPN: Does Not Apply
