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This short axis secondary mirror is perfect for DIY enthusiasts and improves the performance of your Newton telescope with precise optics. Available in multiple sizes (20mm, 25mm, 35mm, 40mm, 70mm), fits various reflector main mirrors to ensure compatibility and optimal vision. Made of aluminium-coated glass and protective film, it provides durability and excellent light reflection for clearer images. Ideal for upgrading your existing telescope or creating a custom setup, making astronomy accessible to both hobbyists and professionals. Contact us for custom sizes or additional support to ensure you find the perfect solution for your special telescope needs.