Telescope Accessories， 31.7mm 90 Degree Diagonal Mirror for Refractor Telescope Eyepiece,for Zenith Mirror

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• Astrophotography & Imaging Essentials Capture the cosmos with T-ring adapters, prime focus adapters, field flatteners, reducers, smartphone adapters, and dedicated astronomy cameras.
• This 31.7mm 90-degree diagonal mirror is specially designed for refractor telescope eyepieces, with a standard interface.
• optical glass ensures high light transmittance, providing bright, clear and sharp images for astronomical observation.
• The 90° angle design offers a comfortable viewing direction and effectively reduces fatigue during long-time observation.
• It features a stable connection structure, easy to install and not easy to shake during use.
• Compact, lightweight and durable, it is an essential practical accessory for amateur astronomers and most refractor telescopes.