Telescope Accessories Reflective Astronomical Telescope Secondary Mirror Elliptical Short 25mm 35mm 40mm 50mm 60mm 70mm 80mm 90mm(80mm)

Description

• Robust Protective Coating for Longevity.
• High-Precision Elliptical Plane Mirror. Features a surface accuracy of PV 1/41/6 and 0.5mm tolerance for exceptional optical consistency, ensuring sharp, distortion-free reflections.
• Multiple Size Options (25mm54mm). Choose from six precise diameters (/25/30/35/40/42/50/54mm) to fit diverse optical setups.
• Astronomical telescope accessories, Barlow lenses (2x, 3x), moon filters, and planetary filters for stunning detail on the Moon, planets, and deep-sky objects.
• Astrophotography & Imaging Essentials Capture the cosmos with T-ring adapters, prime focus adapters, field flatteners, reducers, smartphone adapters, and dedicated astronomy cameras.
• If you encounter any issues, feel free to contact us by email for prompt support.

Type: Elliptical Plane Mirror

Auxiliary Mirror Size Available: 25/30/35/40/42/50/54mm for choosing

Tolerance: 0.5

Surface Accuracy PV: 1/4-1/6

Coating: Aluminum Reflection + Protective Film

Short axis: refers to the length of the short side diameter, the surface is coated with aluminum film and protective film.

25mm secondary mirror, the short side length is 25mm, suitable for 114mm caliber reflective primary mirror.

35mm secondary mirror, short side length 35mm, suitable for 127mm, 133mm, 135mm, 150mm aperture reflective primary mirror.

40mm secondary mirror, 40mm short side length, suitable for 127mm, 133mm, 135mm, 150mm aperture reflector primary mirror.

70mm secondary mirror, short side length 70mm, suitable for 203mm aperture reflector primary mirror.

Packing List:

1pcs sub-mirror

Shipping and Returns

• We offer tracked shipping on all orders. Tracking information will be shared as soon as the order is dispatched.
• Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
• Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
• All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
• Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
• In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.