DIY Newtonian Telescope D203mm Reflection Primary Mirror With Secondary Mirror For Sale
DIY Newtonian Telescope D203mm Reflection Primary Mirror With Secondary Mirror :
Newtonian Reflection Spherical Primary Mirror D203mm FL800mm Astronomical Telescope DIY With 70mm Secondary Mirror The Newtonian Reflection Mirror details is as follows :Diameter: 203mmFocal Length: 800mmFocal ratio: F 4Accuracy : about 1/4 wavelength.Coating: Aluminum surface and protective filmSecondary Mirror: The short axis Diameter25mm Note: The short axis refers to the short side length of the secondary mirror. It is suitable for D203F800 astronomical telescope, the actual focal length is 750mm. （ We also support other customizations, such as optical lenses, mirrors, windows, etc. If necessary, please feel free to contact us.） Customized productCompany InformationProduction equipmentInspection equipment Payment：We only accept payments from PayPal and all major credit cards accepted by Paypal.If you do not pay in time, we cannot guarantee that we will always keep your reset items.For payment issues, please contact us first. Transport： Our minimum standard express service, the period is20-30 days. You can also choose commercial express, such as TNT, DHL, Federal, EMS, the time limit is 5-7 days. Package： -Well-protected safety packaging kit, suitable for long-distance transportation.Inside-blister bag/kraft paper/acrylic box or according to customer requirments.ØComputer-standard export carton or according to customer requirements. Feedback： About Us：We are a professional manufacturer of optical components, such as lenses, windows, spherical lenses, filters, and cylindrical lenses. If you need something else, please leave a message. Welcome to send me an inquiry, we will provide you with the most favorable price and high-quality service.