Telescope Accessories， 90 Degrees Spherical Type Positive Zenith Mirror Prism Astronomical Telescope Accessories,for Zenith Mirror

=========Type : Monocular

• Astrophotography & Imaging Essentials Capture the cosmos with T-ring adapters, prime focus adapters, field flatteners, reducers, smartphone adapters, and dedicated astronomy cameras.
• This 90-degree spherical positive zenith mirror prism is a professional accessory for astronomical telescopes, delivering standard upright and correct imaging.
• Spherical optical prism design ensures even light transmission, providing clear, sharp and stable viewing for both celestial and terrestrial observation.
• The 90° angle offers a comfortable observing posture, effectively reducing neck and eye fatigue during long-time.
• optical structure minimizes light loss and reflection, enhancing image brightness and contrast effectively.
• Compact, durable and easy to install, it is an ideal practical upgrade for astronomy enthusiasts and telescope users.