Short Axis Secondary Mirror 20-70mm DIY Newton Reflector Telescope Plano Mirror

Description: Short Axis Secondary Mirror 20-70mm DIY Newtonian Reflector Telescope Plano MirrorThe Secondary Mirror details are as follows :Material: GlassCoating: Aluminum coated+ protective filmThe length of the short side of the short-axis secondary mirror: 20mm / 25mm / 28mm / 30mm / 35mm / 40mm / 42mm / 45mm / 54mm / 60mm / 70mm Applicable primary mirror：The 25mm short-axis secondary mirror is suitable for use with a 114mm diameter primary mirror.D114mm primary mirror The 35mm short-axis secondary mirror is suitable for use with 127mm, 133mm, 135mm, and 150mm diameter primary mirrors.D150mm primary mirror The 70mm short-axis secondary mirror is suitable for use with a 203mm diameter primary mirror.D203 primary mirror Note: ①Used for optical axis steering of Newtonian astronomical telescope②The short axis refers to the diameter of the short side of the ellipse of the secondary mirror（ We also support other customizations, such as optical lenses, mirrors, windows, etc. If necessary, please feel free to contact us.） Customized product: Company Information:Production equipment:Payment: 1.We only accept payments from PayPal and all major credit cards accepted by Paypal.For payment issues, please contact us first. 2.We are not responsible for any custom duty or import tax. 3.We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.We will reply to you as soon as possible. Shipping: 1. Items will be shipped within 1-10 business days on payment received. 2. If you want to buy more than the "available quantity", please contact us. 3. We ship it from China, please understand the time it will take for international transportation.Delivery time depends on destination and other factors, it may takes up to 25 business days. 4. If you want us to ship it by the express such as EMS/DHL/FedEx in order that you could receive it very soon, please contact us in advance, we could send you an invoice with the EMS/DHL/UPS/FedEx shipping fee. 5. If you have any questions, please contact us directly. About Us： 1.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. 2. Welcome to inquire or send us an email, we will provide you with the best price and quality service.Feedback：

Price: 10.35 USD

Location: Chang Chun

End Time: 2024-08-27T02:43:33.000Z

Shipping Cost: 5 USD